5188125689 has 2 divisors, whose sum is σ = 5188125690. Its totient is φ = 5188125688.

The previous prime is 5188125667. The next prime is 5188125697. The reversal of 5188125689 is 9865218815.

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., 4766521600 + 421604089 = 69040^2 + 20533^2 .

It is a cyclic number.

It is not a de Polignac number, because 5188125689 - 2²⁰ = 5187077113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5188125689.

It is not a weakly prime, because it can be changed into another prime (5188125619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2594062844 + 2594062845.

It is an arithmetic number, because the mean of its divisors is an integer number (2594062845).

Almost surely, 2^5188125689 is an apocalyptic number.

It is an amenable number.

5188125689 is a deficient number, since it is larger than the sum of its proper divisors (1).

5188125689 is an equidigital number, since it uses as much as digits as its factorization.

5188125689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1382400, while the sum is 53.

The square root of 5188125689 is about 72028.6449199206. The cubic root of 5188125689 is about 1731.1584886417.

The spelling of 5188125689 in words is "five billion, one hundred eighty-eight million, one hundred twenty-five thousand, six hundred eighty-nine".