2089900289 has 2 divisors, whose sum is σ = 2089900290. Its totient is φ = 2089900288.

The previous prime is 2089900279. The next prime is 2089900333. The reversal of 2089900289 is 9820099802.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2023200400 + 66699889 = 44980^2 + 8167^2 .

It is a cyclic number.

It is not a de Polignac number, because 2089900289 - 2¹⁶ = 2089834753 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2089900229) 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, 1044950144 + 1044950145.

It is an arithmetic number, because the mean of its divisors is an integer number (1044950145).

Almost surely, 2^2089900289 is an apocalyptic number.

It is an amenable number.

2089900289 is a deficient number, since it is larger than the sum of its proper divisors (1).

2089900289 is an equidigital number, since it uses as much as digits as its factorization.

2089900289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 47.

The square root of 2089900289 is about 45715.4272538276. The cubic root of 2089900289 is about 1278.5229317988.

The spelling of 2089900289 in words is "two billion, eighty-nine million, nine hundred thousand, two hundred eighty-nine".