844348319 has 2 divisors, whose sum is σ = 844348320. Its totient is φ = 844348318.

The previous prime is 844348291. The next prime is 844348321. The reversal of 844348319 is 913843448.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-844348319 is a prime.

It is a super-2 number, since 2×844348319² = 1425848167596251522, which contains 22 as substring.

Together with 844348321, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 844348319.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (844348339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 422174159 + 422174160.

It is an arithmetic number, because the mean of its divisors is an integer number (422174160).

Almost surely, 2^844348319 is an apocalyptic number.

844348319 is a deficient number, since it is larger than the sum of its proper divisors (1).

844348319 is an equidigital number, since it uses as much as digits as its factorization.

844348319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 331776, while the sum is 44.

The square root of 844348319 is about 29057.6722914964. The cubic root of 844348319 is about 945.1640930765.

The spelling of 844348319 in words is "eight hundred forty-four million, three hundred forty-eight thousand, three hundred nineteen".