50404994569 has 16 divisors (see below), whose sum is σ = 57273897600. Its totient is φ = 44100878976.

The previous prime is 50404994557. The next prime is 50404994579. The reversal of 50404994569 is 96549940405.

It is a cyclic number.

It is not a de Polignac number, because 50404994569 - 2²⁵ = 50371440137 is a prime.

It is a super-2 number, since 2×50404994569² (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 (50404994539) 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, 1976004 + ... + 2001349.

It is an arithmetic number, because the mean of its divisors is an integer number (3579618600).

Almost surely, 2^50404994569 is an apocalyptic number.

It is an amenable number.

50404994569 is a deficient number, since it is larger than the sum of its proper divisors (6868903031).

50404994569 is a wasteful number, since it uses less digits than its factorization.

50404994569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3977424.

The product of its (nonzero) digits is 6998400, while the sum is 55.

The spelling of 50404994569 in words is "fifty billion, four hundred four million, nine hundred ninety-four thousand, five hundred sixty-nine".