51919879670 has 8 divisors (see below), whose sum is σ = 93455783424. Its totient is φ = 20767951864.

The previous prime is 51919879651. The next prime is 51919879703. The reversal of 51919879670 is 7697891915.

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

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, 2595993974 + ... + 2595993993.

It is an arithmetic number, because the mean of its divisors is an integer number (11681972928).

Almost surely, 2^51919879670 is an apocalyptic number.

51919879670 is a deficient number, since it is larger than the sum of its proper divisors (41535903754).

51919879670 is a wasteful number, since it uses less digits than its factorization.

51919879670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5191987974.

The product of its (nonzero) digits is 8573040, while the sum is 62.

The spelling of 51919879670 in words is "fifty-one billion, nine hundred nineteen million, eight hundred seventy-nine thousand, six hundred seventy".