253163450504 has 8 divisors (see below), whose sum is σ = 474681469710. Its totient is φ = 126581725248.

The previous prime is 253163450497. The next prime is 253163450531. The reversal of 253163450504 is 405054361352.

It can be written as a sum of positive squares in only one way, i.e., 148685817604 + 104477632900 = 385598^2 + 323230^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15822715649 + ... + 15822715664.

Almost surely, 2^253163450504 is an apocalyptic number.

It is an amenable number.

253163450504 is a deficient number, since it is larger than the sum of its proper divisors (221518019206).

253163450504 is a wasteful number, since it uses less digits than its factorization.

253163450504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31645431319 (or 31645431315 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 38.

The spelling of 253163450504 in words is "two hundred fifty-three billion, one hundred sixty-three million, four hundred fifty thousand, five hundred four".