51470439534 has 24 divisors (see below), whose sum is σ = 114239269872. Its totient is φ = 16738354080.

The previous prime is 51470439523. The next prime is 51470439593. The reversal of 51470439534 is 43593407415.

51470439534 is a `hidden beast` number, since 5 + 1 + 4 + 70 + 43 + 9 + 534 = 666.

It is a super-2 number, since 2×51470439534² (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 51470439534.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34870834 + ... + 34872309.

It is an arithmetic number, because the mean of its divisors is an integer number (4759969578).

Almost surely, 2^51470439534 is an apocalyptic number.

51470439534 is an abundant number, since it is smaller than the sum of its proper divisors (62768830338).

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

51470439534 is a wasteful number, since it uses less digits than its factorization.

51470439534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69743192 (or 69743189 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

The spelling of 51470439534 in words is "fifty-one billion, four hundred seventy million, four hundred thirty-nine thousand, five hundred thirty-four".