50339198921 has 8 divisors (see below), whose sum is σ = 55428719904. Its totient is φ = 45335216320.

The previous prime is 50339198911. The next prime is 50339198951. The reversal of 50339198921 is 12989193305.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50339198921 - 2¹⁰ = 50339197897 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50339198921.

It is not an unprimeable number, because it can be changed into a prime (50339198911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21383360 + ... + 21385713.

It is an arithmetic number, because the mean of its divisors is an integer number (6928589988).

Almost surely, 2^50339198921 is an apocalyptic number.

It is an amenable number.

50339198921 is a deficient number, since it is larger than the sum of its proper divisors (5089520983).

50339198921 is a wasteful number, since it uses less digits than its factorization.

50339198921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42769191.

The product of its (nonzero) digits is 524880, while the sum is 50.

The spelling of 50339198921 in words is "fifty billion, three hundred thirty-nine million, one hundred ninety-eight thousand, nine hundred twenty-one".