50840717168309 has 2 divisors, whose sum is σ = 50840717168310. Its totient is φ = 50840717168308.

The previous prime is 50840717168287. The next prime is 50840717168359. The reversal of 50840717168309 is 90386171704805.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50340401439409 + 500315728900 = 7095097^2 + 707330^2 .

It is a cyclic number.

It is not a de Polignac number, because 50840717168309 - 2⁸ = 50840717168053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50840717168359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25420358584154 + 25420358584155.

It is an arithmetic number, because the mean of its divisors is an integer number (25420358584155).

Almost surely, 2^{50840717168309} is an apocalyptic number.

It is an amenable number.

50840717168309 is a deficient number, since it is larger than the sum of its proper divisors (1).

50840717168309 is an equidigital number, since it uses as much as digits as its factorization.

50840717168309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10160640, while the sum is 59.

The spelling of 50840717168309 in words is "fifty trillion, eight hundred forty billion, seven hundred seventeen million, one hundred sixty-eight thousand, three hundred nine".