51192652400639 has 8 divisors (see below), whose sum is σ = 51206062815600. Its totient is φ = 51179243515200.

The previous prime is 51192652400623. The next prime is 51192652400641. The reversal of 51192652400639 is 93600425629115.

It is a happy number.

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 51192652400639 - 2⁴ = 51192652400623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51192652400699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68166812 + ... + 68913710.

It is an arithmetic number, because the mean of its divisors is an integer number (6400757851950).

Almost surely, 2^{51192652400639} is an apocalyptic number.

51192652400639 is a deficient number, since it is larger than the sum of its proper divisors (13410414961).

51192652400639 is a wasteful number, since it uses less digits than its factorization.

51192652400639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764761.

The product of its (nonzero) digits is 3499200, while the sum is 53.

The spelling of 51192652400639 in words is "fifty-one trillion, one hundred ninety-two billion, six hundred fifty-two million, four hundred thousand, six hundred thirty-nine".