50684977169 has 8 divisors (see below), whose sum is σ = 51074522568. Its totient is φ = 50295715840.

The previous prime is 50684977151. The next prime is 50684977177. The reversal of 50684977169 is 96177948605.

It can be written as a sum of positive squares in 4 ways, for example, as 26032209025 + 24652768144 = 161345^2 + 157012^2 .

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-50684977169 is a prime.

It is a super-2 number, since 2×50684977169² (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 (50684977129) 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, 294389 + ... + 433629.

It is an arithmetic number, because the mean of its divisors is an integer number (6384315321).

Almost surely, 2^50684977169 is an apocalyptic number.

It is an amenable number.

50684977169 is a deficient number, since it is larger than the sum of its proper divisors (389545399).

50684977169 is a wasteful number, since it uses less digits than its factorization.

50684977169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142035.

The product of its (nonzero) digits is 22861440, while the sum is 62.

The spelling of 50684977169 in words is "fifty billion, six hundred eighty-four million, nine hundred seventy-seven thousand, one hundred sixty-nine".