979839112913 has 4 divisors (see below), whose sum is σ = 1031409592560. Its totient is φ = 928268633268.

The previous prime is 979839112849. The next prime is 979839112933. The reversal of 979839112913 is 319211938979.

979839112913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 979839112913 - 2⁶ = 979839112849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (979839112933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25785239795 + ... + 25785239832.

It is an arithmetic number, because the mean of its divisors is an integer number (257852398140).

Almost surely, 2^979839112913 is an apocalyptic number.

It is an amenable number.

979839112913 is a deficient number, since it is larger than the sum of its proper divisors (51570479647).

979839112913 is a wasteful number, since it uses less digits than its factorization.

979839112913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51570479646.

The product of its digits is 6613488, while the sum is 62.

The spelling of 979839112913 in words is "nine hundred seventy-nine billion, eight hundred thirty-nine million, one hundred twelve thousand, nine hundred thirteen".