9373901661504 has 42 divisors (see below), whose sum is σ = 26868596604330. Its totient is φ = 3124633886976.

The previous prime is 9373901661497. The next prime is 9373901661511. The reversal of 9373901661504 is 4051661093739.

9373901661504 is a `hidden beast` number, since 9 + 3 + 7 + 3 + 9 + 0 + 16 + 615 + 0 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (9373901661497) and next prime (9373901661511).

It can be written as a sum of positive squares in only one way, i.e., 9373884422400 + 17239104 = 3061680^2 + 4152^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8137066839 + ... + 8137067990.

Almost surely, 2^{9373901661504} is an apocalyptic number.

It is an amenable number.

9373901661504 is an abundant number, since it is smaller than the sum of its proper divisors (17494694942826).

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

9373901661504 is a wasteful number, since it uses less digits than its factorization.

9373901661504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16274134847 (or 16274134834 counting only the distinct ones).

The product of its (nonzero) digits is 3674160, while the sum is 54.

The spelling of 9373901661504 in words is "nine trillion, three hundred seventy-three billion, nine hundred one million, six hundred sixty-one thousand, five hundred four".