2150565589 has 2 divisors, whose sum is σ = 2150565590. Its totient is φ = 2150565588.

The previous prime is 2150565581. The next prime is 2150565631. The reversal of 2150565589 is 9855650512.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1444760100 + 705805489 = 38010^2 + 26567^2 .

It is a cyclic number.

It is not a de Polignac number, because 2150565589 - 2³ = 2150565581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2150565581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1075282794 + 1075282795.

It is an arithmetic number, because the mean of its divisors is an integer number (1075282795).

Almost surely, 2^2150565589 is an apocalyptic number.

It is an amenable number.

2150565589 is a deficient number, since it is larger than the sum of its proper divisors (1).

2150565589 is an equidigital number, since it uses as much as digits as its factorization.

2150565589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540000, while the sum is 46.

The square root of 2150565589 is about 46374.1909794662. The cubic root of 2150565589 is about 1290.7760466781.

The spelling of 2150565589 in words is "two billion, one hundred fifty million, five hundred sixty-five thousand, five hundred eighty-nine".