6424444219 has 2 divisors, whose sum is σ = 6424444220. Its totient is φ = 6424444218.

The previous prime is 6424444121. The next prime is 6424444223. The reversal of 6424444219 is 9124444246.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6424444219 is a prime.

It is a super-2 number, since 2×6424444219² = 82546967046085039922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6424444319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3212222109 + 3212222110.

It is an arithmetic number, because the mean of its divisors is an integer number (3212222110).

Almost surely, 2^6424444219 is an apocalyptic number.

6424444219 is a deficient number, since it is larger than the sum of its proper divisors (1).

6424444219 is an equidigital number, since it uses as much as digits as its factorization.

6424444219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 221184, while the sum is 40.

The square root of 6424444219 is about 80152.6307678045. The cubic root of 6424444219 is about 1858.9962807287.

The spelling of 6424444219 in words is "six billion, four hundred twenty-four million, four hundred forty-four thousand, two hundred nineteen".