1344443999 has 2 divisors, whose sum is σ = 1344444000. Its totient is φ = 1344443998.

The previous prime is 1344443987. The next prime is 1344444019. The reversal of 1344443999 is 9993444431.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1344443999 - 2¹⁶ = 1344378463 is a prime.

It is a super-2 number, since 2×1344443999² = 3615059332894224002, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1344449999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672221999 + 672222000.

It is an arithmetic number, because the mean of its divisors is an integer number (672222000).

Almost surely, 2^1344443999 is an apocalyptic number.

1344443999 is a deficient number, since it is larger than the sum of its proper divisors (1).

1344443999 is an equidigital number, since it uses as much as digits as its factorization.

1344443999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1679616, while the sum is 50.

The square root of 1344443999 is about 36666.6605924237. The cubic root of 1344443999 is about 1103.6911809403.

The spelling of 1344443999 in words is "one billion, three hundred forty-four million, four hundred forty-three thousand, nine hundred ninety-nine".