344445169 has 2 divisors, whose sum is σ = 344445170. Its totient is φ = 344445168.

The previous prime is 344445163. The next prime is 344445203. The reversal of 344445169 is 961544443.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 327139569 + 17305600 = 18087^2 + 4160^2 .

It is a cyclic number.

It is not a de Polignac number, because 344445169 - 2³ = 344445161 is a prime.

It is a super-4 number, since 4×344445169⁴ (a number of 35 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (344445161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172222584 + 172222585.

It is an arithmetic number, because the mean of its divisors is an integer number (172222585).

Almost surely, 2^344445169 is an apocalyptic number.

It is an amenable number.

344445169 is a deficient number, since it is larger than the sum of its proper divisors (1).

344445169 is an equidigital number, since it uses as much as digits as its factorization.

344445169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 40.

The square root of 344445169 is about 18559.2340628594. The cubic root of 344445169 is about 700.9817306694.

The spelling of 344445169 in words is "three hundred forty-four million, four hundred forty-five thousand, one hundred sixty-nine".