344489473 has 2 divisors, whose sum is σ = 344489474. Its totient is φ = 344489472.

The previous prime is 344489471. The next prime is 344489477. The reversal of 344489473 is 374984443.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 195356529 + 149132944 = 13977^2 + 12212^2 .

It is a cyclic number.

It is not a de Polignac number, because 344489473 - 2¹ = 344489471 is a prime.

Together with 344489471, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (344489471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172244736 + 172244737.

It is an arithmetic number, because the mean of its divisors is an integer number (172244737).

Almost surely, 2^344489473 is an apocalyptic number.

It is an amenable number.

344489473 is a deficient number, since it is larger than the sum of its proper divisors (1).

344489473 is an equidigital number, since it uses as much as digits as its factorization.

344489473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1161216, while the sum is 46.

The square root of 344489473 is about 18560.4276082207. The cubic root of 344489473 is about 701.0117837964.

The spelling of 344489473 in words is "three hundred forty-four million, four hundred eighty-nine thousand, four hundred seventy-three".