51340526979 has 8 divisors (see below), whose sum is σ = 78233184000. Its totient is φ = 29337443976.

The previous prime is 51340526959. The next prime is 51340527001. The reversal of 51340526979 is 97962504315.

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

It is not a de Polignac number, because 51340526979 - 2⁸ = 51340526723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51340526959) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1222393479 + ... + 1222393520.

It is an arithmetic number, because the mean of its divisors is an integer number (9779148000).

Almost surely, 2^51340526979 is an apocalyptic number.

51340526979 is a deficient number, since it is larger than the sum of its proper divisors (26892657021).

51340526979 is a wasteful number, since it uses less digits than its factorization.

51340526979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2444787009.

The product of its (nonzero) digits is 2041200, while the sum is 51.

The spelling of 51340526979 in words is "fifty-one billion, three hundred forty million, five hundred twenty-six thousand, nine hundred seventy-nine".