6444468223 has 2 divisors, whose sum is σ = 6444468224. Its totient is φ = 6444468222.

The previous prime is 6444468221. The next prime is 6444468227. The reversal of 6444468223 is 3228644446.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6444468223 - 2¹ = 6444468221 is a prime.

Together with 6444468221, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 6444468223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6444468221) 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, 3222234111 + 3222234112.

It is an arithmetic number, because the mean of its divisors is an integer number (3222234112).

Almost surely, 2^6444468223 is an apocalyptic number.

6444468223 is a deficient number, since it is larger than the sum of its proper divisors (1).

6444468223 is an equidigital number, since it uses as much as digits as its factorization.

6444468223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 884736, while the sum is 43.

The square root of 6444468223 is about 80277.4452944287. The cubic root of 6444468223 is about 1860.9256793467.

The spelling of 6444468223 in words is "six billion, four hundred forty-four million, four hundred sixty-eight thousand, two hundred twenty-three".