2317240909 has 4 divisors (see below), whose sum is σ = 2320360416. Its totient is φ = 2314121404.

The previous prime is 2317240907. The next prime is 2317240927. The reversal of 2317240909 is 9090427132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2317240909 - 2¹ = 2317240907 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2317240903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1558639 + ... + 1560124.

It is an arithmetic number, because the mean of its divisors is an integer number (580090104).

Almost surely, 2^2317240909 is an apocalyptic number.

It is an amenable number.

2317240909 is a deficient number, since it is larger than the sum of its proper divisors (3119507).

2317240909 is an equidigital number, since it uses as much as digits as its factorization.

2317240909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3119506.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 2317240909 is about 48137.7285400963. The cubic root of 2317240909 is about 1323.2961907500.

The spelling of 2317240909 in words is "two billion, three hundred seventeen million, two hundred forty thousand, nine hundred nine".