344445163 has 2 divisors, whose sum is σ = 344445164. Its totient is φ = 344445162.

The previous prime is 344445161. The next prime is 344445169. The reversal of 344445163 is 361544443.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 344445163 - 2¹ = 344445161 is a prime.

Together with 344445161, it forms a pair of twin primes.

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, 172222581 + 172222582.

It is an arithmetic number, because the mean of its divisors is an integer number (172222582).

Almost surely, 2^344445163 is an apocalyptic number.

344445163 is a deficient number, since it is larger than the sum of its proper divisors (1).

344445163 is an equidigital number, since it uses as much as digits as its factorization.

344445163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69120, while the sum is 34.

The square root of 344445163 is about 18559.2339012148. The cubic root of 344445163 is about 700.9817265992.

The spelling of 344445163 in words is "three hundred forty-four million, four hundred forty-five thousand, one hundred sixty-three".