344503429 has 2 divisors, whose sum is σ = 344503430. Its totient is φ = 344503428.

The previous prime is 344503391. The next prime is 344503447. The reversal of 344503429 is 924305443.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 186322500 + 158180929 = 13650^2 + 12577^2 .

It is an emirp because it is prime and its reverse (924305443) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 344503429 - 2²⁷ = 210285701 is a prime.

It is a super-2 number, since 2×344503429² = 237365225185516082, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 344503394 and 344503403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344503529) 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, 172251714 + 172251715.

It is an arithmetic number, because the mean of its divisors is an integer number (172251715).

Almost surely, 2^344503429 is an apocalyptic number.

It is an amenable number.

344503429 is a deficient number, since it is larger than the sum of its proper divisors (1).

344503429 is an equidigital number, since it uses as much as digits as its factorization.

344503429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 34.

The square root of 344503429 is about 18560.8035655787. The cubic root of 344503429 is about 701.0212501605.

The spelling of 344503429 in words is "three hundred forty-four million, five hundred three thousand, four hundred twenty-nine".