50007171689 has 2 divisors, whose sum is σ = 50007171690. Its totient is φ = 50007171688.

The previous prime is 50007171659. The next prime is 50007171703. The reversal of 50007171689 is 98617170005.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32073944464 + 17933227225 = 179092^2 + 133915^2 .

It is a cyclic number.

It is not a de Polignac number, because 50007171689 - 2¹⁶ = 50007106153 is a prime.

It is a super-2 number, since 2×50007171689² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (50007171629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25003585844 + 25003585845.

It is an arithmetic number, because the mean of its divisors is an integer number (25003585845).

Almost surely, 2^50007171689 is an apocalyptic number.

It is an amenable number.

50007171689 is a deficient number, since it is larger than the sum of its proper divisors (1).

50007171689 is an equidigital number, since it uses as much as digits as its factorization.

50007171689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 105840, while the sum is 44.

The spelling of 50007171689 in words is "fifty billion, seven million, one hundred seventy-one thousand, six hundred eighty-nine".