50687912109 has 16 divisors (see below), whose sum is σ = 70071367680. Its totient is φ = 32557804080.

The previous prime is 50687912101. The next prime is 50687912159. The reversal of 50687912109 is 90121978605.

It is not a de Polignac number, because 50687912109 - 2³ = 50687912101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50687912101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1179399 + ... + 1221620.

It is an arithmetic number, because the mean of its divisors is an integer number (4379460480).

Almost surely, 2^50687912109 is an apocalyptic number.

It is an amenable number.

50687912109 is a deficient number, since it is larger than the sum of its proper divisors (19383455571).

50687912109 is a wasteful number, since it uses less digits than its factorization.

50687912109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2401280.

The product of its (nonzero) digits is 272160, while the sum is 48.

The spelling of 50687912109 in words is "fifty billion, six hundred eighty-seven million, nine hundred twelve thousand, one hundred nine".