22950931979 has 2 divisors, whose sum is σ = 22950931980. Its totient is φ = 22950931978.

The previous prime is 22950931951. The next prime is 22950932047. The reversal of 22950931979 is 97913905922.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22950931979 is a prime.

It is not a weakly prime, because it can be changed into another prime (22950931919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11475465989 + 11475465990.

It is an arithmetic number, because the mean of its divisors is an integer number (11475465990).

Almost surely, 2^22950931979 is an apocalyptic number.

22950931979 is a deficient number, since it is larger than the sum of its proper divisors (1).

22950931979 is an equidigital number, since it uses as much as digits as its factorization.

22950931979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2755620, while the sum is 56.

The spelling of 22950931979 in words is "twenty-two billion, nine hundred fifty million, nine hundred thirty-one thousand, nine hundred seventy-nine".