2315640589 has 2 divisors, whose sum is σ = 2315640590. Its totient is φ = 2315640588.

The previous prime is 2315640577. The next prime is 2315640619. The reversal of 2315640589 is 9850465132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2270522500 + 45118089 = 47650^2 + 6717^2 .

It is a cyclic number.

It is not a de Polignac number, because 2315640589 - 2⁷ = 2315640461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2315640539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1157820294 + 1157820295.

It is an arithmetic number, because the mean of its divisors is an integer number (1157820295).

Almost surely, 2^2315640589 is an apocalyptic number.

It is an amenable number.

2315640589 is a deficient number, since it is larger than the sum of its proper divisors (1).

2315640589 is an equidigital number, since it uses as much as digits as its factorization.

2315640589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 259200, while the sum is 43.

The square root of 2315640589 is about 48121.1033643245. The cubic root of 2315640589 is about 1322.9914914496.

The spelling of 2315640589 in words is "two billion, three hundred fifteen million, six hundred forty thousand, five hundred eighty-nine".