51273968908 has 24 divisors (see below), whose sum is σ = 94250822400. Its totient is φ = 24359926800.

The previous prime is 51273968857. The next prime is 51273968987. The reversal of 51273968908 is 80986937215.

It is a hoax number, since the sum of its digits (58) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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, 1831558 + ... + 1859341.

It is an arithmetic number, because the mean of its divisors is an integer number (3927117600).

Almost surely, 2^51273968908 is an apocalyptic number.

It is an amenable number.

51273968908 is a deficient number, since it is larger than the sum of its proper divisors (42976853492).

51273968908 is a wasteful number, since it uses less digits than its factorization.

51273968908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3691077 (or 3691075 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 58.

The spelling of 51273968908 in words is "fifty-one billion, two hundred seventy-three million, nine hundred sixty-eight thousand, nine hundred eight".