50517040939 has 2 divisors, whose sum is σ = 50517040940. Its totient is φ = 50517040938.

The previous prime is 50517040891. The next prime is 50517040957. The reversal of 50517040939 is 93904071505.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50517040939 - 2¹⁷ = 50516909867 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50517040895 and 50517040904.

It is not a weakly prime, because it can be changed into another prime (50517040969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25258520469 + 25258520470.

It is an arithmetic number, because the mean of its divisors is an integer number (25258520470).

Almost surely, 2^50517040939 is an apocalyptic number.

50517040939 is a deficient number, since it is larger than the sum of its proper divisors (1).

50517040939 is an equidigital number, since it uses as much as digits as its factorization.

50517040939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 170100, while the sum is 43.

The spelling of 50517040939 in words is "fifty billion, five hundred seventeen million, forty thousand, nine hundred thirty-nine".