51874358690 has 64 divisors (see below), whose sum is σ = 116574232320. Its totient is φ = 16146397440.

The previous prime is 51874358689. The next prime is 51874358693. The reversal of 51874358690 is 9685347815.

It is a super-2 number, since 2×51874358690² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51874358693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 518456 + ... + 610364.

It is an arithmetic number, because the mean of its divisors is an integer number (1821472380).

Almost surely, 2^51874358690 is an apocalyptic number.

51874358690 is an abundant number, since it is smaller than the sum of its proper divisors (64699873630).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51874358690 is a wasteful number, since it uses less digits than its factorization.

51874358690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92667.

The product of its (nonzero) digits is 7257600, while the sum is 56.

The spelling of 51874358690 in words is "fifty-one billion, eight hundred seventy-four million, three hundred fifty-eight thousand, six hundred ninety".