9656944936 has 24 divisors (see below), whose sum is σ = 18238265370. Its totient is φ = 4793658528.

The previous prime is 9656944919. The next prime is 9656944937. The reversal of 9656944936 is 6394496569.

It can be written as a sum of positive squares in only one way, i.e., 9198728100 + 458216836 = 95910^2 + 21406^2 .

It is not an unprimeable number, because it can be changed into a prime (9656944937) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 123330 + ... + 185806.

Almost surely, 2^9656944936 is an apocalyptic number.

It is an amenable number.

9656944936 is a deficient number, since it is larger than the sum of its proper divisors (8581320434).

9656944936 is a wasteful number, since it uses less digits than its factorization.

9656944936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62761 (or 62618 counting only the distinct ones).

The product of its digits is 37791360, while the sum is 61.

The square root of 9656944936 is about 98269.7559577717. The cubic root of 9656944936 is about 2129.5111499828.

The spelling of 9656944936 in words is "nine billion, six hundred fifty-six million, nine hundred forty-four thousand, nine hundred thirty-six".