50136258813 has 16 divisors (see below), whose sum is σ = 67663759296. Its totient is φ = 33016584960.

The previous prime is 50136258787. The next prime is 50136258827. The reversal of 50136258813 is 31885263105.

It is not a de Polignac number, because 50136258813 - 2³⁰ = 49062516989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50136258833) 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, 2569173 + ... + 2588613.

It is an arithmetic number, because the mean of its divisors is an integer number (4228984956).

Almost surely, 2^50136258813 is an apocalyptic number.

It is an amenable number.

50136258813 is a deficient number, since it is larger than the sum of its proper divisors (17527500483).

50136258813 is a wasteful number, since it uses less digits than its factorization.

50136258813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29884.

The product of its (nonzero) digits is 172800, while the sum is 42.

The spelling of 50136258813 in words is "fifty billion, one hundred thirty-six million, two hundred fifty-eight thousand, eight hundred thirteen".