9193930731840 has 224 divisors, whose sum is σ = 29448959379840. Its totient is φ = 2430084243456.

The previous prime is 9193930731833. The next prime is 9193930731857. The reversal of 9193930731840 is 481370393919.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81742522 + ... + 81854918.

It is an arithmetic number, because the mean of its divisors is an integer number (131468568660).

Almost surely, 2^{9193930731840} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9193930731840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14724479689920).

9193930731840 is an abundant number, since it is smaller than the sum of its proper divisors (20255028648000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9193930731840 is a wasteful number, since it uses less digits than its factorization.

9193930731840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113169 (or 113159 counting only the distinct ones).

The product of its (nonzero) digits is 4408992, while the sum is 57.

The spelling of 9193930731840 in words is "nine trillion, one hundred ninety-three billion, nine hundred thirty million, seven hundred thirty-one thousand, eight hundred forty".