51758606773613 has 8 divisors (see below), whose sum is σ = 52090218538680. Its totient is φ = 51427019554560.

The previous prime is 51758606773519. The next prime is 51758606773667. The reversal of 51758606773613 is 31637760685715.

It can be written as a sum of positive squares in 4 ways, for example, as 24032084476009 + 27726522297604 = 4902253^2 + 5265598^2 .

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 51758606773613 - 2³⁶ = 51689887296877 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51758606773613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51758606763613) 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, 1896368 + ... + 10349561.

It is an arithmetic number, because the mean of its divisors is an integer number (6511277317335).

Almost surely, 2^{51758606773613} is an apocalyptic number.

It is an amenable number.

51758606773613 is a deficient number, since it is larger than the sum of its proper divisors (331611765067).

51758606773613 is a wasteful number, since it uses less digits than its factorization.

51758606773613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12273007.

The product of its (nonzero) digits is 133358400, while the sum is 65.

The spelling of 51758606773613 in words is "fifty-one trillion, seven hundred fifty-eight billion, six hundred six million, seven hundred seventy-three thousand, six hundred thirteen".