634080253775 has 6 divisors (see below), whose sum is σ = 786259514712. Its totient is φ = 507264203000.

The previous prime is 634080253747. The next prime is 634080253787. The reversal of 634080253775 is 577352080436.

It is not a de Polignac number, because 634080253775 - 2⁶ = 634080253711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12681605051 + ... + 12681605100.

It is an arithmetic number, because the mean of its divisors is an integer number (131043252452).

Almost surely, 2^634080253775 is an apocalyptic number.

634080253775 is a deficient number, since it is larger than the sum of its proper divisors (152179260937).

634080253775 is a wasteful number, since it uses less digits than its factorization.

634080253775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25363210161 (or 25363210156 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 50.

The spelling of 634080253775 in words is "six hundred thirty-four billion, eighty million, two hundred fifty-three thousand, seven hundred seventy-five".