50238656617 has 2 divisors, whose sum is σ = 50238656618. Its totient is φ = 50238656616.

The previous prime is 50238656549. The next prime is 50238656627. The reversal of 50238656617 is 71665683205.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27177500736 + 23061155881 = 164856^2 + 151859^2 .

It is a cyclic number.

It is not a de Polignac number, because 50238656617 - 2¹¹ = 50238654569 is a prime.

It is not a weakly prime, because it can be changed into another prime (50238656627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25119328308 + 25119328309.

It is an arithmetic number, because the mean of its divisors is an integer number (25119328309).

Almost surely, 2^50238656617 is an apocalyptic number.

It is an amenable number.

50238656617 is a deficient number, since it is larger than the sum of its proper divisors (1).

50238656617 is an equidigital number, since it uses as much as digits as its factorization.

50238656617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1814400, while the sum is 49.

The spelling of 50238656617 in words is "fifty billion, two hundred thirty-eight million, six hundred fifty-six thousand, six hundred seventeen".