9979022013 has 4 divisors (see below), whose sum is σ = 13305362688. Its totient is φ = 6652681340.

The previous prime is 9979021991. The next prime is 9979022051. The reversal of 9979022013 is 3102209799.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9979022013 - 2²⁰ = 9977973437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9979020013) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1663170333 + ... + 1663170338.

It is an arithmetic number, because the mean of its divisors is an integer number (3326340672).

Almost surely, 2^9979022013 is an apocalyptic number.

It is an amenable number.

9979022013 is a deficient number, since it is larger than the sum of its proper divisors (3326340675).

9979022013 is a wasteful number, since it uses less digits than its factorization.

9979022013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3326340674.

The product of its (nonzero) digits is 61236, while the sum is 42.

The square root of 9979022013 is about 99895.0549977325. The cubic root of 9979022013 is about 2152.9271119108.

The spelling of 9979022013 in words is "nine billion, nine hundred seventy-nine million, twenty-two thousand, thirteen".