50751436889 has 4 divisors (see below), whose sum is σ = 51116555280. Its totient is φ = 50386318500.

The previous prime is 50751436877. The next prime is 50751436903. The reversal of 50751436889 is 98863415705.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 50751436889 - 2²⁰ = 50750388313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50751436819) 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 3 ways as a sum of consecutive naturals, for example, 182558987 + ... + 182559264.

It is an arithmetic number, because the mean of its divisors is an integer number (12779138820).

Almost surely, 2^50751436889 is an apocalyptic number.

It is an amenable number.

50751436889 is a deficient number, since it is larger than the sum of its proper divisors (365118391).

50751436889 is a wasteful number, since it uses less digits than its factorization.

50751436889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365118390.

The product of its (nonzero) digits is 7257600, while the sum is 56.

The spelling of 50751436889 in words is "fifty billion, seven hundred fifty-one million, four hundred thirty-six thousand, eight hundred eighty-nine".