I reckon 10+. It'll sell well for ages, will cross over to urban and urban AC, will probably have loads of parody videos and covers on Youtube. I could see it being on the charts the whole year and ending up as the year-end #1 infact.
16 weeks
Mariah Carey and Boyz II Men "One Sweet Day" (19951996)
14 weeks
Whitney Houston "I Will Always Love You" (19921993)
Boyz II Men "I'll Make Love to You" (1994)
Los del Rνo "Macarena" (Bayside Boys mix) (1996)
Elton John "Candle in the Wind 1997" / "Something About the Way You Look Tonight" (19971998)
Mariah Carey "We Belong Together" (2005)
The Black Eyed Peas "I Gotta Feeling" (2009)
13 weeks
Boyz II Men "End of the Road" (1992)
Brandy and Monica "The Boy Is Mine" (1998)
12 weeks
Santana featuring Rob Thomas "Smooth" (19992000)
Eminem "Lose Yourself" (20022003)
Usher featuring Lil Jon and Ludacris "Yeah!" (2004)
The Black Eyed Peas "Boom Boom Pow" (2009)
Robin Thicke featuring T.I. and Pharrell "Blurred Lines" (2013)
11 weeks
Elvis Presley "Hound Dog" / "Don't Be Cruel" (1956) (Pre-Hot 100: "Best Sellers in Stores" and "Most Played in Jukeboxes" charts)
All-4-One "I Swear" (1994)
Toni Braxton "Un-Break My Heart" (19961997)
Puff Daddy and Faith Evans featuring 112 "I'll Be Missing You" (1997)
Destiny's Child "Independent Women Part I" (20002001)
10 weeks
McGuire Sisters "Sincerely" (1955) (Pre-Hot 100: "Most Played by Jockeys" chart)
Pιrez Prado "Cherry Pink and Apple Blossom White" (1955) (Pre-Hot 100: "Best Sellers in Stores" chart)
Debby Boone "You Light Up My Life" (1977)
Olivia Newton-John "Physical" (19811982)
Santana featuring The Product G&B "Maria Maria" (2000)
Ashanti "Foolish" (2002)
Nelly featuring Kelly Rowland "Dilemma" (2002)
Kanye West featuring Jamie Foxx "Gold Digger" (2005)
Beyoncι "Irreplaceable" (20062007)
Flo Rida featuring T-Pain "Low" (2008)
Rihanna featuring Calvin Harris "We Found Love" (20112012)
Pharrell Williams "Happy" (2014) Mark Ronson featuring Bruno Mars "Uptown Funk!" (2015)