253506234648008 has 8 divisors (see below), whose sum is σ = 475324189965030. Its totient is φ = 126753117324000.

The previous prime is 253506234647959. The next prime is 253506234648049. The reversal of 253506234648008 is 800846432605352.

It can be written as a sum of positive squares in only one way, i.e., 138861289059364 + 114644945588644 = 11783942^2 + 10707238^2 .

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

It is a super-2 number, since 2×253506234648008² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15844139665493 + ... + 15844139665508.

Almost surely, 2^{253506234648008} is an apocalyptic number.

It is an amenable number.

253506234648008 is a deficient number, since it is larger than the sum of its proper divisors (221817955317022).

253506234648008 is a wasteful number, since it uses less digits than its factorization.

253506234648008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31688279331007 (or 31688279331003 counting only the distinct ones).

The product of its (nonzero) digits is 33177600, while the sum is 56.

The spelling of 253506234648008 in words is "two hundred fifty-three trillion, five hundred six billion, two hundred thirty-four million, six hundred forty-eight thousand, eight".