2289989664439 has 2 divisors, whose sum is σ = 2289989664440. Its totient is φ = 2289989664438.

The previous prime is 2289989664433. The next prime is 2289989664503. The reversal of 2289989664439 is 9344669899822.

2289989664439 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2289989664439 - 2¹¹ = 2289989662391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2289989664433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1144994832219 + 1144994832220.

It is an arithmetic number, because the mean of its divisors is an integer number (1144994832220).

Almost surely, 2^{2289989664439} is an apocalyptic number.

2289989664439 is a deficient number, since it is larger than the sum of its proper divisors (1).

2289989664439 is an equidigital number, since it uses as much as digits as its factorization.

2289989664439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2902376448, while the sum is 79.

The spelling of 2289989664439 in words is "two trillion, two hundred eighty-nine billion, nine hundred eighty-nine million, six hundred sixty-four thousand, four hundred thirty-nine".