2404452509 has 2 divisors, whose sum is σ = 2404452510. Its totient is φ = 2404452508.

The previous prime is 2404452487. The next prime is 2404452521. The reversal of 2404452509 is 9052544042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1716859225 + 687593284 = 41435^2 + 26222^2 .

It is a cyclic number.

It is not a de Polignac number, because 2404452509 - 2²⁴ = 2387675293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2404452539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1202226254 + 1202226255.

It is an arithmetic number, because the mean of its divisors is an integer number (1202226255).

Almost surely, 2^2404452509 is an apocalyptic number.

It is an amenable number.

2404452509 is a deficient number, since it is larger than the sum of its proper divisors (1).

2404452509 is an equidigital number, since it uses as much as digits as its factorization.

2404452509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 2404452509 is about 49035.2170281727. The cubic root of 2404452509 is about 1339.6933487429.

The spelling of 2404452509 in words is "two billion, four hundred four million, four hundred fifty-two thousand, five hundred nine".