50221317239 has 2 divisors, whose sum is σ = 50221317240. Its totient is φ = 50221317238.

The previous prime is 50221317229. The next prime is 50221317301. The reversal of 50221317239 is 93271312205.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50221317239 - 2³² = 45926349943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50221317199 and 50221317208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50221317229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25110658619 + 25110658620.

It is an arithmetic number, because the mean of its divisors is an integer number (25110658620).

Almost surely, 2^50221317239 is an apocalyptic number.

50221317239 is a deficient number, since it is larger than the sum of its proper divisors (1).

50221317239 is an equidigital number, since it uses as much as digits as its factorization.

50221317239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 35.

The spelling of 50221317239 in words is "fifty billion, two hundred twenty-one million, three hundred seventeen thousand, two hundred thirty-nine".