50412879617 has 2 divisors, whose sum is σ = 50412879618. Its totient is φ = 50412879616.

The previous prime is 50412879577. The next prime is 50412879623. The reversal of 50412879617 is 71697821405.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50174208016 + 238671601 = 223996^2 + 15449^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50412879617 is a prime.

It is not a weakly prime, because it can be changed into another prime (50412879637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25206439808 + 25206439809.

It is an arithmetic number, because the mean of its divisors is an integer number (25206439809).

Almost surely, 2^50412879617 is an apocalyptic number.

It is an amenable number.

50412879617 is a deficient number, since it is larger than the sum of its proper divisors (1).

50412879617 is an equidigital number, since it uses as much as digits as its factorization.

50412879617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 846720, while the sum is 50.

The spelling of 50412879617 in words is "fifty billion, four hundred twelve million, eight hundred seventy-nine thousand, six hundred seventeen".