Alright, let's work through 36486809 times 53649431 step by step
36486809 × 53649431 = 53649431 × (36486809)
+ 53649431 × 9 resulting in 482844879
+ 53649431 × 00 giving us 0
+ 53649431 × 800 what gives us 42919544800
+ 53649431 × 6000 that results in 321896586000
+ 53649431 × 80000 producing 4291954480000
+ 53649431 × 400000 producing 21459772400000
+ 53649431 × 6000000 that results in 321896586000000
+ 53649431 × 30000000 which equals 1609482930000000

= 1957496541855679
