2004344689 has 2 divisors, whose sum is σ = 2004344690. Its totient is φ = 2004344688.

The previous prime is 2004344669. The next prime is 2004344701. The reversal of 2004344689 is 9864434002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1891815025 + 112529664 = 43495^2 + 10608^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2004344689 is a prime.

It is not a weakly prime, because it can be changed into another prime (2004344669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1002172344 + 1002172345.

It is an arithmetic number, because the mean of its divisors is an integer number (1002172345).

Almost surely, 2^2004344689 is an apocalyptic number.

It is an amenable number.

2004344689 is a deficient number, since it is larger than the sum of its proper divisors (1).

2004344689 is an equidigital number, since it uses as much as digits as its factorization.

2004344689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 165888, while the sum is 40.

The square root of 2004344689 is about 44769.9082978735. The cubic root of 2004344689 is about 1260.8327175822.

The spelling of 2004344689 in words is "two billion, four million, three hundred forty-four thousand, six hundred eighty-nine".