1344444019 has 2 divisors, whose sum is σ = 1344444020. Its totient is φ = 1344444018.

The previous prime is 1344443999. The next prime is 1344444077. The reversal of 1344444019 is 9104444431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1344444019 - 2⁵ = 1344443987 is a prime.

It is a super-2 number, since 2×1344444019² = 3615059440449744722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1344444719) 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, 672222009 + 672222010.

It is an arithmetic number, because the mean of its divisors is an integer number (672222010).

Almost surely, 2^1344444019 is an apocalyptic number.

1344444019 is a deficient number, since it is larger than the sum of its proper divisors (1).

1344444019 is an equidigital number, since it uses as much as digits as its factorization.

1344444019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 1344444019 is about 36666.6608651511. The cubic root of 1344444019 is about 1103.6911864131.

The spelling of 1344444019 in words is "one billion, three hundred forty-four million, four hundred forty-four thousand, nineteen".