8713137689 has 2 divisors, whose sum is σ = 8713137690. Its totient is φ = 8713137688.

The previous prime is 8713137649. The next prime is 8713137691. The reversal of 8713137689 is 9867313178.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4957286464 + 3755851225 = 70408^2 + 61285^2 .

It is a cyclic number.

It is not a de Polignac number, because 8713137689 - 2¹² = 8713133593 is a prime.

Together with 8713137691, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8713137689.

It is not a weakly prime, because it can be changed into another prime (8713137649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4356568844 + 4356568845.

It is an arithmetic number, because the mean of its divisors is an integer number (4356568845).

Almost surely, 2^8713137689 is an apocalyptic number.

It is an amenable number.

8713137689 is a deficient number, since it is larger than the sum of its proper divisors (1).

8713137689 is an equidigital number, since it uses as much as digits as its factorization.

8713137689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1524096, while the sum is 53.

The square root of 8713137689 is about 93344.1893692371. The cubic root of 8713137689 is about 2057.7448605844.

The spelling of 8713137689 in words is "eight billion, seven hundred thirteen million, one hundred thirty-seven thousand, six hundred eighty-nine".