51014627631 has 32 divisors (see below), whose sum is σ = 83799517440. Its totient is φ = 30411093600.

The previous prime is 51014627621. The next prime is 51014627659. The reversal of 51014627631 is 13672641015.

51014627631 is a `hidden beast` number, since 5 + 1 + 0 + 14 + 6 + 2 + 7 + 631 = 666.

It is not a de Polignac number, because 51014627631 - 2⁶ = 51014627567 is a prime.

It is a super-2 number, since 2×51014627631² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51014627621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1389805 + ... + 1426038.

It is an arithmetic number, because the mean of its divisors is an integer number (2618734920).

Almost surely, 2^51014627631 is an apocalyptic number.

51014627631 is a deficient number, since it is larger than the sum of its proper divisors (32784889809).

51014627631 is a wasteful number, since it uses less digits than its factorization.

51014627631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2815924 (or 2815918 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The spelling of 51014627631 in words is "fifty-one billion, fourteen million, six hundred twenty-seven thousand, six hundred thirty-one".