2331356609 has 2 divisors, whose sum is σ = 2331356610. Its totient is φ = 2331356608.

The previous prime is 2331356561. The next prime is 2331356627. The reversal of 2331356609 is 9066531332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1944369025 + 386987584 = 44095^2 + 19672^2 .

It is a cyclic number.

It is not a de Polignac number, because 2331356609 - 2²⁰ = 2330308033 is a prime.

It is a super-3 number, since 3×2331356609³ (a number of 29 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2331356669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1165678304 + 1165678305.

It is an arithmetic number, because the mean of its divisors is an integer number (1165678305).

Almost surely, 2^2331356609 is an apocalyptic number.

It is an amenable number.

2331356609 is a deficient number, since it is larger than the sum of its proper divisors (1).

2331356609 is an equidigital number, since it uses as much as digits as its factorization.

2331356609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 87480, while the sum is 38.

The square root of 2331356609 is about 48284.1237779045. The cubic root of 2331356609 is about 1325.9777492329.

The spelling of 2331356609 in words is "two billion, three hundred thirty-one million, three hundred fifty-six thousand, six hundred nine".