50844040217 has 2 divisors, whose sum is σ = 50844040218. Its totient is φ = 50844040216.

The previous prime is 50844040207. The next prime is 50844040231. The reversal of 50844040217 is 71204044805.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49777625881 + 1066414336 = 223109^2 + 32656^2 .

It is a cyclic number.

It is not a de Polignac number, because 50844040217 - 2²⁴ = 50827263001 is a prime.

It is not a weakly prime, because it can be changed into another prime (50844040207) 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, 25422020108 + 25422020109.

It is an arithmetic number, because the mean of its divisors is an integer number (25422020109).

Almost surely, 2^50844040217 is an apocalyptic number.

It is an amenable number.

50844040217 is a deficient number, since it is larger than the sum of its proper divisors (1).

50844040217 is an equidigital number, since it uses as much as digits as its factorization.

50844040217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35840, while the sum is 35.

The spelling of 50844040217 in words is "fifty billion, eight hundred forty-four million, forty thousand, two hundred seventeen".