51677774013 has 8 divisors (see below), whose sum is σ = 68940533376. Its totient is φ = 34433432000.

The previous prime is 51677774009. The next prime is 51677774023. The reversal of 51677774013 is 31047777615.

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

It is a cyclic number.

It is not a de Polignac number, because 51677774013 - 2² = 51677774009 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51677774023) 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, 4597788 + ... + 4609013.

It is an arithmetic number, because the mean of its divisors is an integer number (8617566672).

Almost surely, 2^51677774013 is an apocalyptic number.

It is an amenable number.

51677774013 is a deficient number, since it is larger than the sum of its proper divisors (17262759363).

51677774013 is a wasteful number, since it uses less digits than its factorization.

51677774013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9208675.

The product of its (nonzero) digits is 864360, while the sum is 48.

The spelling of 51677774013 in words is "fifty-one billion, six hundred seventy-seven million, seven hundred seventy-four thousand, thirteen".