Getting a score above 2,147,483,647 would also be impossible because the score is a 32-bit integer, from -2,147,483,648 to 2,147,483,647.. So anyone with a score above that, YOU ARE A LIAR
The above record is fake. It would be impossible even if you were that skilled.
For every million at a multiplier of 35x, it would take 10 minutes and 30 seconds
The highest record run listed here (at 1.9 billionish)
It would take approx. 2 weeks, 7 hours, 34 minutes, 12 seconds and 590 milliseconds