9117645967936 has 63 divisors (see below), whose sum is σ = 19887738436153. Its totient is φ = 4144263749120.

The previous prime is 9117645967921. The next prime is 9117645967943. The reversal of 9117645967936 is 6397695467119.

The square root of 9117645967936 is 3019544.

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

It can be written as a sum of positive squares in only one way, i.e., 2744323560000 + 6373322407936 = 1656600^2 + 2524544^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 265702716 + ... + 265737028.

Almost surely, 2^{9117645967936} is an apocalyptic number.

9117645967936 is the 3019544-th square number.

It is an amenable number.

9117645967936 is an abundant number, since it is smaller than the sum of its proper divisors (10770092468217).

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

9117645967936 is an frugal number, since it uses more digits than its factorization.

9117645967936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68660 (or 34326 counting only the distinct ones).

The product of its digits is 462944160, while the sum is 73.

The spelling of 9117645967936 in words is "nine trillion, one hundred seventeen billion, six hundred forty-five million, nine hundred sixty-seven thousand, nine hundred thirty-six".