50117107189 has 2 divisors, whose sum is σ = 50117107190. Its totient is φ = 50117107188.

The previous prime is 50117107171. The next prime is 50117107211. The reversal of 50117107189 is 98170171105.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38749922500 + 11367184689 = 196850^2 + 106617^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50117107189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50117107169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25058553594 + 25058553595.

It is an arithmetic number, because the mean of its divisors is an integer number (25058553595).

Almost surely, 2^50117107189 is an apocalyptic number.

It is an amenable number.

50117107189 is a deficient number, since it is larger than the sum of its proper divisors (1).

50117107189 is an equidigital number, since it uses as much as digits as its factorization.

50117107189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17640, while the sum is 40.

The spelling of 50117107189 in words is "fifty billion, one hundred seventeen million, one hundred seven thousand, one hundred eighty-nine".