50256640193 has 2 divisors, whose sum is σ = 50256640194. Its totient is φ = 50256640192.

The previous prime is 50256640141. The next prime is 50256640211. The reversal of 50256640193 is 39104665205.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42707115649 + 7549524544 = 206657^2 + 86888^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50256640193 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50256640193.

It is not a weakly prime, because it can be changed into another prime (50256640123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25128320096 + 25128320097.

It is an arithmetic number, because the mean of its divisors is an integer number (25128320097).

Almost surely, 2^50256640193 is an apocalyptic number.

It is an amenable number.

50256640193 is a deficient number, since it is larger than the sum of its proper divisors (1).

50256640193 is an equidigital number, since it uses as much as digits as its factorization.

50256640193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 194400, while the sum is 41.

The spelling of 50256640193 in words is "fifty billion, two hundred fifty-six million, six hundred forty thousand, one hundred ninety-three".