344385263 has 2 divisors, whose sum is σ = 344385264. Its totient is φ = 344385262.

The previous prime is 344385143. The next prime is 344385271. The reversal of 344385263 is 362583443.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 344385263 - 2⁸ = 344385007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344385763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172192631 + 172192632.

It is an arithmetic number, because the mean of its divisors is an integer number (172192632).

Almost surely, 2^344385263 is an apocalyptic number.

344385263 is a deficient number, since it is larger than the sum of its proper divisors (1).

344385263 is an equidigital number, since it uses as much as digits as its factorization.

344385263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 38.

The square root of 344385263 is about 18557.6200790942. The cubic root of 344385263 is about 700.9410900005.

The spelling of 344385263 in words is "three hundred forty-four million, three hundred eighty-five thousand, two hundred sixty-three".