2104330309 has 2 divisors, whose sum is σ = 2104330310. Its totient is φ = 2104330308.

The previous prime is 2104330297. The next prime is 2104330337. The reversal of 2104330309 is 9030334012.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2086479684 + 17850625 = 45678^2 + 4225^2 .

It is a cyclic number.

It is not a de Polignac number, because 2104330309 - 2²¹ = 2102233157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2104330369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052165154 + 1052165155.

It is an arithmetic number, because the mean of its divisors is an integer number (1052165155).

Almost surely, 2^2104330309 is an apocalyptic number.

It is an amenable number.

2104330309 is a deficient number, since it is larger than the sum of its proper divisors (1).

2104330309 is an equidigital number, since it uses as much as digits as its factorization.

2104330309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 2104330309 is about 45872.9801626186. The cubic root of 2104330309 is about 1281.4587675710.

The spelling of 2104330309 in words is "two billion, one hundred four million, three hundred thirty thousand, three hundred nine".