2320004509 has 2 divisors, whose sum is σ = 2320004510. Its totient is φ = 2320004508.

The previous prime is 2320004429. The next prime is 2320004513. The reversal of 2320004509 is 9054000232.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2161320100 + 158684409 = 46490^2 + 12597^2 .

It is a cyclic number.

It is not a de Polignac number, because 2320004509 - 2²¹ = 2317907357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2320004539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1160002254 + 1160002255.

It is an arithmetic number, because the mean of its divisors is an integer number (1160002255).

Almost surely, 2^2320004509 is an apocalyptic number.

It is an amenable number.

2320004509 is a deficient number, since it is larger than the sum of its proper divisors (1).

2320004509 is an equidigital number, since it uses as much as digits as its factorization.

2320004509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 2320004509 is about 48166.4251216550. The cubic root of 2320004509 is about 1323.8220472354.

The spelling of 2320004509 in words is "two billion, three hundred twenty million, four thousand, five hundred nine".