344364149 has 2 divisors, whose sum is σ = 344364150. Its totient is φ = 344364148.

The previous prime is 344364103. The next prime is 344364157. The reversal of 344364149 is 941463443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 181980100 + 162384049 = 13490^2 + 12743^2 .

It is a cyclic number.

It is not a de Polignac number, because 344364149 - 2²⁰ = 343315573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344364169) 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, 172182074 + 172182075.

It is an arithmetic number, because the mean of its divisors is an integer number (172182075).

Almost surely, 2^344364149 is an apocalyptic number.

It is an amenable number.

344364149 is a deficient number, since it is larger than the sum of its proper divisors (1).

344364149 is an equidigital number, since it uses as much as digits as its factorization.

344364149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 38.

The square root of 344364149 is about 18557.0511935490. The cubic root of 344364149 is about 700.9267649850.

The spelling of 344364149 in words is "three hundred forty-four million, three hundred sixty-four thousand, one hundred forty-nine".