344661913 has 2 divisors, whose sum is σ = 344661914. Its totient is φ = 344661912.

The previous prime is 344661907. The next prime is 344661953. The reversal of 344661913 is 319166443.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 313714944 + 30946969 = 17712^2 + 5563^2 .

It is a cyclic number.

It is not a de Polignac number, because 344661913 - 2¹⁷ = 344530841 is a prime.

It is not a weakly prime, because it can be changed into another prime (344661953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172330956 + 172330957.

It is an arithmetic number, because the mean of its divisors is an integer number (172330957).

Almost surely, 2^344661913 is an apocalyptic number.

It is an amenable number.

344661913 is a deficient number, since it is larger than the sum of its proper divisors (1).

344661913 is an equidigital number, since it uses as much as digits as its factorization.

344661913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 37.

The square root of 344661913 is about 18565.0723941492. The cubic root of 344661913 is about 701.1287320315.

The spelling of 344661913 in words is "three hundred forty-four million, six hundred sixty-one thousand, nine hundred thirteen".