2097326909 has 2 divisors, whose sum is σ = 2097326910. Its totient is φ = 2097326908.

The previous prime is 2097326897. The next prime is 2097326911. The reversal of 2097326909 is 9096237902.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2081366884 + 15960025 = 45622^2 + 3995^2 .

It is a cyclic number.

It is not a de Polignac number, because 2097326909 - 2²⁸ = 1828891453 is a prime.

Together with 2097326911, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2097326939) 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, 1048663454 + 1048663455.

It is an arithmetic number, because the mean of its divisors is an integer number (1048663455).

Almost surely, 2^2097326909 is an apocalyptic number.

It is an amenable number.

2097326909 is a deficient number, since it is larger than the sum of its proper divisors (1).

2097326909 is an equidigital number, since it uses as much as digits as its factorization.

2097326909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 367416, while the sum is 47.

The square root of 2097326909 is about 45796.5818484306. The cubic root of 2097326909 is about 1280.0355843379.

The spelling of 2097326909 in words is "two billion, ninety-seven million, three hundred twenty-six thousand, nine hundred nine".