2302663607209 has 9 divisors (see below), whose sum is σ = 2678621042397. Its totient is φ = 1973702558604.

The previous prime is 2302663607203. The next prime is 2302663607213. The reversal of 2302663607209 is 9027063662032.

The square root of 2302663607209 is 1517453.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 2302663607209 - 2³ = 2302663607201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2302663607201) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 10513782 + ... + 10730560.

Almost surely, 2^{2302663607209} is an apocalyptic number.

2302663607209 is the 1517453-rd square number.

2302663607209 is the 758727-th centered octagonal number.

It is an amenable number.

2302663607209 is a deficient number, since it is larger than the sum of its proper divisors (375957435188).

2302663607209 is an frugal number, since it uses more digits than its factorization.

2302663607209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433572 (or 216786 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 46.

The spelling of 2302663607209 in words is "two trillion, three hundred two billion, six hundred sixty-three million, six hundred seven thousand, two hundred nine".