51915363674 has 16 divisors (see below), whose sum is σ = 82589683968. Its totient is φ = 24390501312.

The previous prime is 51915363667. The next prime is 51915363679. The reversal of 51915363674 is 47636351915.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51915363679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1237124 + ... + 1278399.

It is an arithmetic number, because the mean of its divisors is an integer number (5161855248).

Almost surely, 2^51915363674 is an apocalyptic number.

51915363674 is a deficient number, since it is larger than the sum of its proper divisors (30674320294).

51915363674 is a wasteful number, since it uses less digits than its factorization.

51915363674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2516149.

The product of its digits is 2041200, while the sum is 50.

The spelling of 51915363674 in words is "fifty-one billion, nine hundred fifteen million, three hundred sixty-three thousand, six hundred seventy-four".