253427237608 has 8 divisors (see below), whose sum is σ = 475176070530. Its totient is φ = 126713618800.

The previous prime is 253427237603. The next prime is 253427237641. The reversal of 253427237608 is 806732724352.

It can be written as a sum of positive squares in only one way, i.e., 230939835844 + 22487401764 = 480562^2 + 149958^2 .

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

It is not an unprimeable number, because it can be changed into a prime (253427237603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15839202343 + ... + 15839202358.

Almost surely, 2^253427237608 is an apocalyptic number.

It is an amenable number.

253427237608 is a deficient number, since it is larger than the sum of its proper divisors (221748832922).

253427237608 is a wasteful number, since it uses less digits than its factorization.

253427237608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31678404707 (or 31678404703 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 49.

The spelling of 253427237608 in words is "two hundred fifty-three billion, four hundred twenty-seven million, two hundred thirty-seven thousand, six hundred eight".