50436960865 has 4 divisors (see below), whose sum is σ = 60524353044. Its totient is φ = 40349568688.

The previous prime is 50436960829. The next prime is 50436960923. The reversal of 50436960865 is 56806963405.

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

It can be written as a sum of positive squares in 2 ways, for example, as 24719386176 + 25717574689 = 157224^2 + 160367^2 .

It is a cyclic number.

It is not a de Polignac number, because 50436960865 - 2¹⁹ = 50436436577 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5043696082 + ... + 5043696091.

It is an arithmetic number, because the mean of its divisors is an integer number (15131088261).

Almost surely, 2^50436960865 is an apocalyptic number.

It is an amenable number.

50436960865 is a deficient number, since it is larger than the sum of its proper divisors (10087392179).

50436960865 is a wasteful number, since it uses less digits than its factorization.

50436960865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10087392178.

The product of its (nonzero) digits is 4665600, while the sum is 52.

The spelling of 50436960865 in words is "fifty billion, four hundred thirty-six million, nine hundred sixty thousand, eight hundred sixty-five".