50209209931 has 8 divisors (see below), whose sum is σ = 51253171344. Its totient is φ = 49173912480.

The previous prime is 50209209917. The next prime is 50209209959. The reversal of 50209209931 is 13990290205.

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 50209209931 - 2¹¹ = 50209207883 is a prime.

It is a super-2 number, since 2×50209209931² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50209207931) 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, 2154280 + ... + 2177461.

It is an arithmetic number, because the mean of its divisors is an integer number (6406646418).

Almost surely, 2^50209209931 is an apocalyptic number.

50209209931 is a deficient number, since it is larger than the sum of its proper divisors (1043961413).

50209209931 is a wasteful number, since it uses less digits than its factorization.

50209209931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4331981.

The product of its (nonzero) digits is 43740, while the sum is 40.

The spelling of 50209209931 in words is "fifty billion, two hundred nine million, two hundred nine thousand, nine hundred thirty-one".