344096509 has 2 divisors, whose sum is σ = 344096510. Its totient is φ = 344096508.

The previous prime is 344096453. The next prime is 344096531. The reversal of 344096509 is 905690443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 255680100 + 88416409 = 15990^2 + 9403^2 .

It is a cyclic number.

It is not a de Polignac number, because 344096509 - 2⁷ = 344096381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344096549) 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, 172048254 + 172048255.

It is an arithmetic number, because the mean of its divisors is an integer number (172048255).

Almost surely, 2^344096509 is an apocalyptic number.

It is an amenable number.

344096509 is a deficient number, since it is larger than the sum of its proper divisors (1).

344096509 is an equidigital number, since it uses as much as digits as its factorization.

344096509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 344096509 is about 18549.8385168173. The cubic root of 344096509 is about 700.7451310366.

The spelling of 344096509 in words is "three hundred forty-four million, ninety-six thousand, five hundred nine".