344425019 has 2 divisors, whose sum is σ = 344425020. Its totient is φ = 344425018.

The previous prime is 344425009. The next prime is 344425073. The reversal of 344425019 is 910524443.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-344425019 is a prime.

It is a super-2 number, since 2×344425019² = 237257187426300722, which contains 22 as substring.

It is a Chen prime.

It is equal to p_18520169 and since 344425019 and 18520169 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (344425009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172212509 + 172212510.

It is an arithmetic number, because the mean of its divisors is an integer number (172212510).

Almost surely, 2^344425019 is an apocalyptic number.

344425019 is a deficient number, since it is larger than the sum of its proper divisors (1).

344425019 is an equidigital number, since it uses as much as digits as its factorization.

344425019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 344425019 is about 18558.6911984655. The cubic root of 344425019 is about 700.9680612879.

The spelling of 344425019 in words is "three hundred forty-four million, four hundred twenty-five thousand, nineteen".