8690713589 has 2 divisors, whose sum is σ = 8690713590. Its totient is φ = 8690713588.

The previous prime is 8690713579. The next prime is 8690713609. The reversal of 8690713589 is 9853170968.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6623192689 + 2067520900 = 81383^2 + 45470^2 .

It is a cyclic number.

It is not a de Polignac number, because 8690713589 - 2²⁸ = 8422278133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8690713529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4345356794 + 4345356795.

It is an arithmetic number, because the mean of its divisors is an integer number (4345356795).

Almost surely, 2^8690713589 is an apocalyptic number.

It is an amenable number.

8690713589 is a deficient number, since it is larger than the sum of its proper divisors (1).

8690713589 is an equidigital number, since it uses as much as digits as its factorization.

8690713589 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3265920, while the sum is 56.

The square root of 8690713589 is about 93223.9968516690. The cubic root of 8690713589 is about 2055.9780757811.

The spelling of 8690713589 in words is "eight billion, six hundred ninety million, seven hundred thirteen thousand, five hundred eighty-nine".