Answer:
1) 973,201,146
2) 6,843,329,001
3) 947,850,063
4) 502,930
5) 17,900,001
6) 792,214
In words :-
1) Nine hundred seventy three million two hundred one thousand one hundred forty six
2) Six billion eight hundred forty three million three hundred twenty nine thousand one
3) Nine hundred forty seven million eight hundred fifty thousand sixty three
4) Five hundred two thousand nine hundred thirty.
5) Seventeen million nine hundred one
6) Seven hundred ninty two thousand two hundred fourteen.