2331958009 has 4 divisors (see below), whose sum is σ = 2364802560. Its totient is φ = 2299113460.

The previous prime is 2331958001. The next prime is 2331958019. The reversal of 2331958009 is 9008591332.

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 2331958009 - 2³ = 2331958001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2331958001) 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, 16422169 + ... + 16422310.

It is an arithmetic number, because the mean of its divisors is an integer number (591200640).

Almost surely, 2^2331958009 is an apocalyptic number.

It is an amenable number.

2331958009 is a deficient number, since it is larger than the sum of its proper divisors (32844551).

2331958009 is an equidigital number, since it uses as much as digits as its factorization.

2331958009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32844550.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 2331958009 is about 48290.3510962594. The cubic root of 2331958009 is about 1326.0917564530.

The spelling of 2331958009 in words is "two billion, three hundred thirty-one million, nine hundred fifty-eight thousand, nine".