253954757604 has 12 divisors (see below), whose sum is σ = 592561101104. Its totient is φ = 84651585864.

The previous prime is 253954757597. The next prime is 253954757657. The reversal of 253954757604 is 406757459352.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10581448222 + ... + 10581448245.

Almost surely, 2^253954757604 is an apocalyptic number.

It is an amenable number.

253954757604 is an abundant number, since it is smaller than the sum of its proper divisors (338606343500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

253954757604 is a wasteful number, since it uses less digits than its factorization.

253954757604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21162896474 (or 21162896472 counting only the distinct ones).

The product of its (nonzero) digits is 31752000, while the sum is 57.

The spelling of 253954757604 in words is "two hundred fifty-three billion, nine hundred fifty-four million, seven hundred fifty-seven thousand, six hundred four".