51072634625 has 32 divisors (see below), whose sum is σ = 68632012800. Its totient is φ = 37802822400.

The previous prime is 51072634609. The next prime is 51072634651. The reversal of 51072634625 is 52643627015.

It is not a de Polignac number, because 51072634625 - 2⁴ = 51072634609 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78305 + ... + 329054.

It is an arithmetic number, because the mean of its divisors is an integer number (2144750400).

Almost surely, 2^51072634625 is an apocalyptic number.

It is an amenable number.

51072634625 is a deficient number, since it is larger than the sum of its proper divisors (17559378175).

51072634625 is a wasteful number, since it uses less digits than its factorization.

51072634625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407450 (or 407440 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 41.

The spelling of 51072634625 in words is "fifty-one billion, seventy-two million, six hundred thirty-four thousand, six hundred twenty-five".