51357639374 has 8 divisors (see below), whose sum is σ = 77784386160. Its totient is φ = 25429510656.

The previous prime is 51357639329. The next prime is 51357639383. The reversal of 51357639374 is 47393675315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×51357639374² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124654259 + ... + 124654670.

It is an arithmetic number, because the mean of its divisors is an integer number (9723048270).

Almost surely, 2^51357639374 is an apocalyptic number.

51357639374 is a deficient number, since it is larger than the sum of its proper divisors (26426746786).

51357639374 is a wasteful number, since it uses less digits than its factorization.

51357639374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249309034.

The product of its digits is 7144200, while the sum is 53.

The spelling of 51357639374 in words is "fifty-one billion, three hundred fifty-seven million, six hundred thirty-nine thousand, three hundred seventy-four".