50944813919 has 4 divisors (see below), whose sum is σ = 51705184344. Its totient is φ = 50184443496.

The previous prime is 50944813891. The next prime is 50944813939. The reversal of 50944813919 is 91931844905.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50944813919 is a prime.

It is a super-2 number, since 2×50944813919² (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 (50944813939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 380185112 + ... + 380185245.

It is an arithmetic number, because the mean of its divisors is an integer number (12926296086).

Almost surely, 2^50944813919 is an apocalyptic number.

50944813919 is a deficient number, since it is larger than the sum of its proper divisors (760370425).

50944813919 is an equidigital number, since it uses as much as digits as its factorization.

50944813919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760370424.

The product of its (nonzero) digits is 1399680, while the sum is 53.

The spelling of 50944813919 in words is "fifty billion, nine hundred forty-four million, eight hundred thirteen thousand, nine hundred nineteen".