6444338339 has 2 divisors, whose sum is σ = 6444338340. Its totient is φ = 6444338338.

The previous prime is 6444338333. The next prime is 6444338353. The reversal of 6444338339 is 9338334446.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6444338339 - 2¹² = 6444334243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6444338293 and 6444338302.

It is not a weakly prime, because it can be changed into another prime (6444338333) 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, 3222169169 + 3222169170.

It is an arithmetic number, because the mean of its divisors is an integer number (3222169170).

Almost surely, 2^6444338339 is an apocalyptic number.

6444338339 is a deficient number, since it is larger than the sum of its proper divisors (1).

6444338339 is an equidigital number, since it uses as much as digits as its factorization.

6444338339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2239488, while the sum is 47.

The square root of 6444338339 is about 80276.6363209122. The cubic root of 6444338339 is about 1860.9131773535.

The spelling of 6444338339 in words is "six billion, four hundred forty-four million, three hundred thirty-eight thousand, three hundred thirty-nine".