479527230521 has 2 divisors, whose sum is σ = 479527230522. Its totient is φ = 479527230520.

The previous prime is 479527230517. The next prime is 479527230527. The reversal of 479527230521 is 125032725974.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 479506391296 + 20839225 = 692464^2 + 4565^2 .

It is a cyclic number.

It is not a de Polignac number, because 479527230521 - 2² = 479527230517 is a prime.

It is a super-2 number, since 2×479527230521² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (479527230527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239763615260 + 239763615261.

It is an arithmetic number, because the mean of its divisors is an integer number (239763615261).

Almost surely, 2^479527230521 is an apocalyptic number.

It is an amenable number.

479527230521 is a deficient number, since it is larger than the sum of its proper divisors (1).

479527230521 is an equidigital number, since it uses as much as digits as its factorization.

479527230521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1058400, while the sum is 47.

The spelling of 479527230521 in words is "four hundred seventy-nine billion, five hundred twenty-seven million, two hundred thirty thousand, five hundred twenty-one".