344622613 has 2 divisors, whose sum is σ = 344622614. Its totient is φ = 344622612.

The previous prime is 344622571. The next prime is 344622673. The reversal of 344622613 is 316226443.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 178676689 + 165945924 = 13367^2 + 12882^2 .

It is a cyclic number.

It is not a de Polignac number, because 344622613 - 2⁹ = 344622101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344622673) 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, 172311306 + 172311307.

It is an arithmetic number, because the mean of its divisors is an integer number (172311307).

Almost surely, 2^344622613 is an apocalyptic number.

It is an amenable number.

344622613 is a deficient number, since it is larger than the sum of its proper divisors (1).

344622613 is an equidigital number, since it uses as much as digits as its factorization.

344622613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 31.

The square root of 344622613 is about 18564.0139247955. The cubic root of 344622613 is about 701.1020823346.

The spelling of 344622613 in words is "three hundred forty-four million, six hundred twenty-two thousand, six hundred thirteen".