9621172996796 has 24 divisors (see below), whose sum is σ = 16931889898560. Its totient is φ = 4783495867200.

The previous prime is 9621172996753. The next prime is 9621172996807. The reversal of 9621172996796 is 6976992711269.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6091550 + ... + 7506618.

It is an arithmetic number, because the mean of its divisors is an integer number (705495412440).

Almost surely, 2^{9621172996796} is an apocalyptic number.

It is an amenable number.

9621172996796 is a deficient number, since it is larger than the sum of its proper divisors (7310716901764).

9621172996796 is a wasteful number, since it uses less digits than its factorization.

9621172996796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1424645 (or 1424643 counting only the distinct ones).

The product of its digits is 277766496, while the sum is 74.

The spelling of 9621172996796 in words is "nine trillion, six hundred twenty-one billion, one hundred seventy-two million, nine hundred ninety-six thousand, seven hundred ninety-six".