9791942707264 has 21 divisors (see below), whose sum is σ = 19430935986031. Its totient is φ = 4895958836800.

The previous prime is 9791942707159. The next prime is 9791942707319. The reversal of 9791942707264 is 4627072491979.

The square root of 9791942707264 is 3129208.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9791942707264.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 24838089 + ... + 25229239.

Almost surely, 2^{9791942707264} is an apocalyptic number.

9791942707264 is the 3129208-th square number.

It is an amenable number.

9791942707264 is a deficient number, since it is larger than the sum of its proper divisors (9638993278767).

9791942707264 is an frugal number, since it uses more digits than its factorization.

9791942707264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782314 (or 391153 counting only the distinct ones).

The product of its (nonzero) digits is 96018048, while the sum is 67.

The spelling of 9791942707264 in words is "nine trillion, seven hundred ninety-one billion, nine hundred forty-two million, seven hundred seven thousand, two hundred sixty-four".