50687618193 has 12 divisors (see below), whose sum is σ = 73706829300. Its totient is φ = 33564954336.

The previous prime is 50687618161. The next prime is 50687618197. The reversal of 50687618193 is 39181678605.

50687618193 is a `hidden beast` number, since 5 + 0 + 6 + 8 + 7 + 618 + 19 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 29170248849 + 21517369344 = 170793^2 + 146688^2 .

It is not a de Polignac number, because 50687618193 - 2⁵ = 50687618161 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50687618197) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18897846 + ... + 18900527.

It is an arithmetic number, because the mean of its divisors is an integer number (6142235775).

Almost surely, 2^50687618193 is an apocalyptic number.

It is an amenable number.

50687618193 is a deficient number, since it is larger than the sum of its proper divisors (23019211107).

50687618193 is a wasteful number, since it uses less digits than its factorization.

50687618193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37798528 (or 37798525 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 54.

The spelling of 50687618193 in words is "fifty billion, six hundred eighty-seven million, six hundred eighteen thousand, one hundred ninety-three".