22979919913 has 2 divisors, whose sum is σ = 22979919914. Its totient is φ = 22979919912.

The previous prime is 22979919889. The next prime is 22979919917. The reversal of 22979919913 is 31991997922.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20808639504 + 2171280409 = 144252^2 + 46597^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22979919913 is a prime.

It is not a weakly prime, because it can be changed into another prime (22979919917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11489959956 + 11489959957.

It is an arithmetic number, because the mean of its divisors is an integer number (11489959957).

Almost surely, 2^22979919913 is an apocalyptic number.

It is an amenable number.

22979919913 is a deficient number, since it is larger than the sum of its proper divisors (1).

22979919913 is an equidigital number, since it uses as much as digits as its factorization.

22979919913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4960116, while the sum is 61.

The spelling of 22979919913 in words is "twenty-two billion, nine hundred seventy-nine million, nine hundred nineteen thousand, nine hundred thirteen".