6441219419 has 2 divisors, whose sum is σ = 6441219420. Its totient is φ = 6441219418.

The previous prime is 6441219413. The next prime is 6441219439. The reversal of 6441219419 is 9149121446.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6441219419 - 2⁸ = 6441219163 is a prime.

It is a super-2 number, since 2×6441219419² = 82978615207405395122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6441219413) 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, 3220609709 + 3220609710.

It is an arithmetic number, because the mean of its divisors is an integer number (3220609710).

Almost surely, 2^6441219419 is an apocalyptic number.

6441219419 is a deficient number, since it is larger than the sum of its proper divisors (1).

6441219419 is an equidigital number, since it uses as much as digits as its factorization.

6441219419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 41.

The square root of 6441219419 is about 80257.2078943692. The cubic root of 6441219419 is about 1860.6129150345.

The spelling of 6441219419 in words is "six billion, four hundred forty-one million, two hundred nineteen thousand, four hundred nineteen".