253642637704 has 16 divisors (see below), whose sum is σ = 478236819600. Its totient is φ = 126112819152.

The previous prime is 253642637693. The next prime is 253642637711. The reversal of 253642637704 is 407736246352.

It is a super-2 number, since 2×253642637704² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88560942 + ... + 88563805.

It is an arithmetic number, because the mean of its divisors is an integer number (29889801225).

Almost surely, 2^253642637704 is an apocalyptic number.

It is an amenable number.

253642637704 is a deficient number, since it is larger than the sum of its proper divisors (224594181896).

253642637704 is a wasteful number, since it uses less digits than its factorization.

253642637704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177124932 (or 177124928 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 49.

The spelling of 253642637704 in words is "two hundred fifty-three billion, six hundred forty-two million, six hundred thirty-seven thousand, seven hundred four".