51183984734 has 16 divisors (see below), whose sum is σ = 77345923200. Its totient is φ = 25402094424.

The previous prime is 51183984707. The next prime is 51183984749. The reversal of 51183984734 is 43748938115.

It is a Curzon number.

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, 1367927 + ... + 1404845.

It is an arithmetic number, because the mean of its divisors is an integer number (4834120200).

Almost surely, 2^51183984734 is an apocalyptic number.

51183984734 is a deficient number, since it is larger than the sum of its proper divisors (26161938466).

51183984734 is a wasteful number, since it uses less digits than its factorization.

51183984734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42047.

The product of its digits is 2903040, while the sum is 53.

The spelling of 51183984734 in words is "fifty-one billion, one hundred eighty-three million, nine hundred eighty-four thousand, seven hundred thirty-four".