2315845589 has 2 divisors, whose sum is σ = 2315845590. Its totient is φ = 2315845588.

The previous prime is 2315845583. The next prime is 2315845633. The reversal of 2315845589 is 9855485132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1457941489 + 857904100 = 38183^2 + 29290^2 .

It is a cyclic number.

It is not a de Polignac number, because 2315845589 - 2²⁰ = 2314797013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2315845583) 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, 1157922794 + 1157922795.

It is an arithmetic number, because the mean of its divisors is an integer number (1157922795).

Almost surely, 2^2315845589 is an apocalyptic number.

It is an amenable number.

2315845589 is a deficient number, since it is larger than the sum of its proper divisors (1).

2315845589 is an equidigital number, since it uses as much as digits as its factorization.

2315845589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728000, while the sum is 50.

The square root of 2315845589 is about 48123.2333597816. The cubic root of 2315845589 is about 1323.0305310793.

The spelling of 2315845589 in words is "two billion, three hundred fifteen million, eight hundred forty-five thousand, five hundred eighty-nine".