50000869931 has 8 divisors (see below), whose sum is σ = 54372965760. Its totient is φ = 45787759488.

The previous prime is 50000869913. The next prime is 50000869937. The reversal of 50000869931 is 13996800005.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50000869931 is a prime.

It is a super-2 number, since 2×50000869931² (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 (50000869937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39745691 + ... + 39746948.

It is an arithmetic number, because the mean of its divisors is an integer number (6796620720).

Almost surely, 2^50000869931 is an apocalyptic number.

50000869931 is a deficient number, since it is larger than the sum of its proper divisors (4372095829).

50000869931 is a wasteful number, since it uses less digits than its factorization.

50000869931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79492693.

The product of its (nonzero) digits is 58320, while the sum is 41.

The spelling of 50000869931 in words is "fifty billion, eight hundred sixty-nine thousand, nine hundred thirty-one".