344041309 has 2 divisors, whose sum is σ = 344041310. Its totient is φ = 344041308.

The previous prime is 344041283. The next prime is 344041333. The reversal of 344041309 is 903140443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 239940100 + 104101209 = 15490^2 + 10203^2 .

It is a cyclic number.

It is not a de Polignac number, because 344041309 - 2¹⁹ = 343517021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344041339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172020654 + 172020655.

It is an arithmetic number, because the mean of its divisors is an integer number (172020655).

Almost surely, 2^344041309 is an apocalyptic number.

It is an amenable number.

344041309 is a deficient number, since it is larger than the sum of its proper divisors (1).

344041309 is an equidigital number, since it uses as much as digits as its factorization.

344041309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 344041309 is about 18548.3505735685. The cubic root of 344041309 is about 700.7076578289.

The spelling of 344041309 in words is "three hundred forty-four million, forty-one thousand, three hundred nine".