9201172296944 has 20 divisors (see below), whose sum is σ = 18875934345024. Its totient is φ = 4329963433728.

The previous prime is 9201172296941. The next prime is 9201172296973. The reversal of 9201172296944 is 4496922711029.

It is a self number, because there is not a number n which added to its sum of digits gives 9201172296944.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9201172296941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16913919392 + ... + 16913919935.

Almost surely, 2^{9201172296944} is an apocalyptic number.

It is an amenable number.

9201172296944 is an abundant number, since it is smaller than the sum of its proper divisors (9674762048080).

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

9201172296944 is a wasteful number, since it uses less digits than its factorization.

9201172296944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33827839352 (or 33827839346 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 56.

The spelling of 9201172296944 in words is "nine trillion, two hundred one billion, one hundred seventy-two million, two hundred ninety-six thousand, nine hundred forty-four".