51428275874 has 16 divisors (see below), whose sum is σ = 79236190656. Its totient is φ = 25016367600.

The previous prime is 51428275861. The next prime is 51428275879. The reversal of 51428275874 is 47857282415.

It is not an unprimeable number, because it can be changed into a prime (51428275879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 730859 + ... + 798129.

It is an arithmetic number, because the mean of its divisors is an integer number (4952261916).

Almost surely, 2^51428275874 is an apocalyptic number.

51428275874 is a deficient number, since it is larger than the sum of its proper divisors (27807914782).

51428275874 is a wasteful number, since it uses less digits than its factorization.

51428275874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77641.

The product of its digits is 5017600, while the sum is 53.

The spelling of 51428275874 in words is "fifty-one billion, four hundred twenty-eight million, two hundred seventy-five thousand, eight hundred seventy-four".