2004888409 has 2 divisors, whose sum is σ = 2004888410. Its totient is φ = 2004888408.

The previous prime is 2004888377. The next prime is 2004888419. The reversal of 2004888409 is 9048884002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1394798409 + 610090000 = 37347^2 + 24700^2 .

It is a cyclic number.

It is not a de Polignac number, because 2004888409 - 2⁵ = 2004888377 is a prime.

It is not a weakly prime, because it can be changed into another prime (2004888419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1002444204 + 1002444205.

It is an arithmetic number, because the mean of its divisors is an integer number (1002444205).

Almost surely, 2^2004888409 is an apocalyptic number.

It is an amenable number.

2004888409 is a deficient number, since it is larger than the sum of its proper divisors (1).

2004888409 is an equidigital number, since it uses as much as digits as its factorization.

2004888409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 147456, while the sum is 43.

The square root of 2004888409 is about 44775.9802684430. The cubic root of 2004888409 is about 1260.9467162687.

The spelling of 2004888409 in words is "two billion, four million, eight hundred eighty-eight thousand, four hundred nine".