50169456413 has 2 divisors, whose sum is σ = 50169456414. Its totient is φ = 50169456412.

The previous prime is 50169456397. The next prime is 50169456431. The reversal of 50169456413 is 31465496105.

Together with next prime (50169456431) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48875039929 + 1294416484 = 221077^2 + 35978^2 .

It is a cyclic number.

It is not a de Polignac number, because 50169456413 - 2⁴ = 50169456397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50169456013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25084728206 + 25084728207.

It is an arithmetic number, because the mean of its divisors is an integer number (25084728207).

Almost surely, 2^50169456413 is an apocalyptic number.

It is an amenable number.

50169456413 is a deficient number, since it is larger than the sum of its proper divisors (1).

50169456413 is an equidigital number, since it uses as much as digits as its factorization.

50169456413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 388800, while the sum is 44.

The spelling of 50169456413 in words is "fifty billion, one hundred sixty-nine million, four hundred fifty-six thousand, four hundred thirteen".