344432609 has 2 divisors, whose sum is σ = 344432610. Its totient is φ = 344432608.

The previous prime is 344432587. The next prime is 344432629. The reversal of 344432609 is 906234443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 300502225 + 43930384 = 17335^2 + 6628^2 .

It is an emirp because it is prime and its reverse (906234443) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-344432609 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (344432629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172216304 + 172216305.

It is an arithmetic number, because the mean of its divisors is an integer number (172216305).

Almost surely, 2^344432609 is an apocalyptic number.

It is an amenable number.

344432609 is a deficient number, since it is larger than the sum of its proper divisors (1).

344432609 is an equidigital number, since it uses as much as digits as its factorization.

344432609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 35.

The square root of 344432609 is about 18558.8956837415. The cubic root of 344432609 is about 700.9732102639.

The spelling of 344432609 in words is "three hundred forty-four million, four hundred thirty-two thousand, six hundred nine".