Alright, let's work through 64995620 times 52909993 step by step
64995620 × 52909993 = 52909993 × (64995620)
+ 52909993 × 0 that equals 0
+ 52909993 × 20 which equals 1058199860
+ 52909993 × 600 which equals 31745995800
+ 52909993 × 5000 resulting in 264549965000
+ 52909993 × 90000 producing 4761899370000
+ 52909993 × 900000 giving us 47618993700000
+ 52909993 × 4000000 that results in 211639972000000
+ 52909993 × 60000000 that equals 3174599580000000

= 3438917799230660
