1344340619 has 2 divisors, whose sum is σ = 1344340620. Its totient is φ = 1344340618.

The previous prime is 1344340597. The next prime is 1344340633. The reversal of 1344340619 is 9160434431.

It is a strong prime.

It is an emirp because it is prime and its reverse (9160434431) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1344340619 is a prime.

It is a super-2 number, since 2×1344340619² = 3614503399786606322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1344340819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672170309 + 672170310.

It is an arithmetic number, because the mean of its divisors is an integer number (672170310).

Almost surely, 2^1344340619 is an apocalyptic number.

1344340619 is a deficient number, since it is larger than the sum of its proper divisors (1).

1344340619 is an equidigital number, since it uses as much as digits as its factorization.

1344340619 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 1344340619 is about 36665.2508378165. The cubic root of 1344340619 is about 1103.6628910501.

The spelling of 1344340619 in words is "one billion, three hundred forty-four million, three hundred forty thousand, six hundred nineteen".