522390865979 has 2 divisors, whose sum is σ = 522390865980. Its totient is φ = 522390865978.

The previous prime is 522390865963. The next prime is 522390866047. The reversal of 522390865979 is 979568093225.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 522390865979 - 2⁴ = 522390865963 is a prime.

It is not a weakly prime, because it can be changed into another prime (522390865279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261195432989 + 261195432990.

It is an arithmetic number, because the mean of its divisors is an integer number (261195432990).

Almost surely, 2^522390865979 is an apocalyptic number.

522390865979 is a deficient number, since it is larger than the sum of its proper divisors (1).

522390865979 is an equidigital number, since it uses as much as digits as its factorization.

522390865979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 73483200, while the sum is 65.

The spelling of 522390865979 in words is "five hundred twenty-two billion, three hundred ninety million, eight hundred sixty-five thousand, nine hundred seventy-nine".