50036668809 has 4 divisors (see below), whose sum is σ = 66715558416. Its totient is φ = 33357779204.

The previous prime is 50036668789. The next prime is 50036668819. The reversal of 50036668809 is 90886663005.

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 a cyclic number.

It is not a de Polignac number, because 50036668809 - 2²⁵ = 50003114377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50036668819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8339444799 + ... + 8339444804.

It is an arithmetic number, because the mean of its divisors is an integer number (16678889604).

Almost surely, 2^50036668809 is an apocalyptic number.

It is an amenable number.

50036668809 is a deficient number, since it is larger than the sum of its proper divisors (16678889607).

50036668809 is a wasteful number, since it uses less digits than its factorization.

50036668809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16678889606.

The product of its (nonzero) digits is 1866240, while the sum is 51.

The spelling of 50036668809 in words is "fifty billion, thirty-six million, six hundred sixty-eight thousand, eight hundred nine".