344531449 has 2 divisors, whose sum is σ = 344531450. Its totient is φ = 344531448.

The previous prime is 344531443. The next prime is 344531459. The reversal of 344531449 is 944135443.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 322741225 + 21790224 = 17965^2 + 4668^2 .

It is a cyclic number.

It is not a de Polignac number, because 344531449 - 2⁷ = 344531321 is a prime.

It is not a weakly prime, because it can be changed into another prime (344531443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172265724 + 172265725.

It is an arithmetic number, because the mean of its divisors is an integer number (172265725).

Almost surely, 2^344531449 is an apocalyptic number.

It is an amenable number.

344531449 is a deficient number, since it is larger than the sum of its proper divisors (1).

344531449 is an equidigital number, since it uses as much as digits as its factorization.

344531449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 37.

The square root of 344531449 is about 18561.5583666889. The cubic root of 344531449 is about 701.0402553733.

The spelling of 344531449 in words is "three hundred forty-four million, five hundred thirty-one thousand, four hundred forty-nine".