50722018939 has 2 divisors, whose sum is σ = 50722018940. Its totient is φ = 50722018938.

The previous prime is 50722018931. The next prime is 50722018987. The reversal of 50722018939 is 93981022705.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50722018939 - 2³ = 50722018931 is a prime.

It is not a weakly prime, because it can be changed into another prime (50722018931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25361009469 + 25361009470.

It is an arithmetic number, because the mean of its divisors is an integer number (25361009470).

Almost surely, 2^50722018939 is an apocalyptic number.

50722018939 is a deficient number, since it is larger than the sum of its proper divisors (1).

50722018939 is an equidigital number, since it uses as much as digits as its factorization.

50722018939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 46.

The spelling of 50722018939 in words is "fifty billion, seven hundred twenty-two million, eighteen thousand, nine hundred thirty-nine".