9979564631336 has 32 divisors (see below), whose sum is σ = 19869140025000. Its totient is φ = 4682809337856.

The previous prime is 9979564631299. The next prime is 9979564631341. The reversal of 9979564631336 is 6331364659799.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9405446248900 + 574118382436 = 3066830^2 + 757706^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 9979564631336.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105080261 + ... + 105175188.

Almost surely, 2^{9979564631336} is an apocalyptic number.

It is an amenable number.

9979564631336 is a deficient number, since it is larger than the sum of its proper divisors (9889575393664).

9979564631336 is a wasteful number, since it uses less digits than its factorization.

9979564631336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210255821 (or 210255817 counting only the distinct ones).

The product of its digits is 595213920, while the sum is 71.

The spelling of 9979564631336 in words is "nine trillion, nine hundred seventy-nine billion, five hundred sixty-four million, six hundred thirty-one thousand, three hundred thirty-six".