51876789194 has 32 divisors (see below), whose sum is σ = 84003480000. Its totient is φ = 23947951104.

The previous prime is 51876789157. The next prime is 51876789241. The reversal of 51876789194 is 49198767815.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 51876789194.

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 15 ways as a sum of consecutive naturals, for example, 698312 + ... + 769020.

It is an arithmetic number, because the mean of its divisors is an integer number (2625108750).

Almost surely, 2^51876789194 is an apocalyptic number.

51876789194 is a deficient number, since it is larger than the sum of its proper divisors (32126690806).

51876789194 is a wasteful number, since it uses less digits than its factorization.

51876789194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71222.

The product of its digits is 30481920, while the sum is 65.

The spelling of 51876789194 in words is "fifty-one billion, eight hundred seventy-six million, seven hundred eighty-nine thousand, one hundred ninety-four".