2104058809 has 2 divisors, whose sum is σ = 2104058810. Its totient is φ = 2104058808.

The previous prime is 2104058717. The next prime is 2104058833. The reversal of 2104058809 is 9088504012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1951165584 + 152893225 = 44172^2 + 12365^2 .

It is a cyclic number.

It is not a de Polignac number, because 2104058809 - 2⁷ = 2104058681 is a prime.

It is not a weakly prime, because it can be changed into another prime (2104028809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052029404 + 1052029405.

It is an arithmetic number, because the mean of its divisors is an integer number (1052029405).

Almost surely, 2^2104058809 is an apocalyptic number.

It is an amenable number.

2104058809 is a deficient number, since it is larger than the sum of its proper divisors (1).

2104058809 is an equidigital number, since it uses as much as digits as its factorization.

2104058809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 2104058809 is about 45870.0208088028. The cubic root of 2104058809 is about 1281.4036540720.

The spelling of 2104058809 in words is "two billion, one hundred four million, fifty-eight thousand, eight hundred nine".