50631668813 has 16 divisors (see below), whose sum is σ = 55472947200. Its totient is φ = 45830308080.

The previous prime is 50631668779. The next prime is 50631668827. The reversal of 50631668813 is 31886613605.

It is a cyclic number.

It is not a de Polignac number, because 50631668813 - 2¹⁶ = 50631603277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50631668833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8325908 + ... + 8331986.

It is an arithmetic number, because the mean of its divisors is an integer number (3467059200).

Almost surely, 2^50631668813 is an apocalyptic number.

It is an amenable number.

50631668813 is a deficient number, since it is larger than the sum of its proper divisors (4841278387).

50631668813 is a wasteful number, since it uses less digits than its factorization.

50631668813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9232.

The product of its (nonzero) digits is 622080, while the sum is 47.

The spelling of 50631668813 in words is "fifty billion, six hundred thirty-one million, six hundred sixty-eight thousand, eight hundred thirteen".