344080169 has 2 divisors, whose sum is σ = 344080170. Its totient is φ = 344080168.

The previous prime is 344080151. The next prime is 344080189. The reversal of 344080169 is 961080443.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 196336144 + 147744025 = 14012^2 + 12155^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-344080169 is a prime.

It is a super-2 number, since 2×344080169² = 236782325398137122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (344080189) 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, 172040084 + 172040085.

It is an arithmetic number, because the mean of its divisors is an integer number (172040085).

Almost surely, 2^344080169 is an apocalyptic number.

It is an amenable number.

344080169 is a deficient number, since it is larger than the sum of its proper divisors (1).

344080169 is an equidigital number, since it uses as much as digits as its factorization.

344080169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 344080169 is about 18549.3980764875. The cubic root of 344080169 is about 700.7340388416.

The spelling of 344080169 in words is "three hundred forty-four million, eighty thousand, one hundred sixty-nine".