1344463619 has 2 divisors, whose sum is σ = 1344463620. Its totient is φ = 1344463618.

The previous prime is 1344463531. The next prime is 1344463639. The reversal of 1344463619 is 9163644431.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1344463619 is a prime.

It is a super-2 number, since 2×1344463619² = 3615164845629154322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1344463639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672231809 + 672231810.

It is an arithmetic number, because the mean of its divisors is an integer number (672231810).

Almost surely, 2^1344463619 is an apocalyptic number.

1344463619 is a deficient number, since it is larger than the sum of its proper divisors (1).

1344463619 is an equidigital number, since it uses as much as digits as its factorization.

1344463619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 186624, while the sum is 41.

The square root of 1344463619 is about 36666.9281369465. The cubic root of 1344463619 is about 1103.6965497806.

The spelling of 1344463619 in words is "one billion, three hundred forty-four million, four hundred sixty-three thousand, six hundred nineteen".