2004646361 has 2 divisors, whose sum is σ = 2004646362. Its totient is φ = 2004646360.

The previous prime is 2004646321. The next prime is 2004646381. The reversal of 2004646361 is 1636464002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1907505625 + 97140736 = 43675^2 + 9856^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2004646361 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 (2004646321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1002323180 + 1002323181.

It is an arithmetic number, because the mean of its divisors is an integer number (1002323181).

Almost surely, 2^2004646361 is an apocalyptic number.

It is an amenable number.

2004646361 is a deficient number, since it is larger than the sum of its proper divisors (1).

2004646361 is an equidigital number, since it uses as much as digits as its factorization.

2004646361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 2004646361 is about 44773.2773091271. The cubic root of 2004646361 is about 1260.8959699840.

The spelling of 2004646361 in words is "two billion, four million, six hundred forty-six thousand, three hundred sixty-one".