50764189618 has 4 divisors (see below), whose sum is σ = 76146284430. Its totient is φ = 25382094808.

The previous prime is 50764189573. The next prime is 50764189649. The reversal of 50764189618 is 81698146705.

50764189618 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 50747924529 + 16265089 = 225273^2 + 4033^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12691047403 + ... + 12691047406.

Almost surely, 2^50764189618 is an apocalyptic number.

50764189618 is a deficient number, since it is larger than the sum of its proper divisors (25382094812).

50764189618 is a wasteful number, since it uses less digits than its factorization.

50764189618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25382094811.

The product of its (nonzero) digits is 2903040, while the sum is 55.

The spelling of 50764189618 in words is "fifty billion, seven hundred sixty-four million, one hundred eighty-nine thousand, six hundred eighteen".