51134470684 has 24 divisors (see below), whose sum is σ = 98000220528. Its totient is φ = 23152496640.

The previous prime is 51134470679. The next prime is 51134470769. The reversal of 51134470684 is 48607443115.

It is a super-2 number, since 2×51134470684² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51134470684.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2249679 + ... + 2272294.

It is an arithmetic number, because the mean of its divisors is an integer number (4083342522).

Almost surely, 2^51134470684 is an apocalyptic number.

It is an amenable number.

51134470684 is a deficient number, since it is larger than the sum of its proper divisors (46865749844).

51134470684 is a wasteful number, since it uses less digits than its factorization.

51134470684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4522245 (or 4522243 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 43.

The spelling of 51134470684 in words is "fifty-one billion, one hundred thirty-four million, four hundred seventy thousand, six hundred eighty-four".