204044089 has 2 divisors, whose sum is σ = 204044090. Its totient is φ = 204044088.

The previous prime is 204044033. The next prime is 204044143. The reversal of 204044089 is 980440402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 204004089 + 40000 = 14283^2 + 200^2 .

It is a cyclic number.

It is not a de Polignac number, because 204044089 - 2⁹ = 204043577 is a prime.

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 204044089.

It is not a weakly prime, because it can be changed into another prime (204044389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102022044 + 102022045.

It is an arithmetic number, because the mean of its divisors is an integer number (102022045).

Almost surely, 2^204044089 is an apocalyptic number.

It is an amenable number.

204044089 is a deficient number, since it is larger than the sum of its proper divisors (1).

204044089 is an equidigital number, since it uses as much as digits as its factorization.

204044089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 204044089 is about 14284.4001974182. The cubic root of 204044089 is about 588.7189373911.

The spelling of 204044089 in words is "two hundred four million, forty-four thousand, eighty-nine".