50681313669 has 8 divisors (see below), whose sum is σ = 77228668480. Its totient is φ = 28960750656.

The previous prime is 50681313647. The next prime is 50681313679. The reversal of 50681313669 is 96631318605.

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

It is not a de Polignac number, because 50681313669 - 2⁷ = 50681313541 is a prime.

It is a super-2 number, since 2×50681313669² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50681313679) 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, 1206697924 + ... + 1206697965.

It is an arithmetic number, because the mean of its divisors is an integer number (9653583560).

Almost surely, 2^50681313669 is an apocalyptic number.

It is an amenable number.

50681313669 is a deficient number, since it is larger than the sum of its proper divisors (26547354811).

50681313669 is a wasteful number, since it uses less digits than its factorization.

50681313669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2413395899.

The product of its (nonzero) digits is 699840, while the sum is 48.

The spelling of 50681313669 in words is "fifty billion, six hundred eighty-one million, three hundred thirteen thousand, six hundred sixty-nine".