1344043013 has 2 divisors, whose sum is σ = 1344043014. Its totient is φ = 1344043012.

The previous prime is 1344043009. The next prime is 1344043039. The reversal of 1344043013 is 3103404431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 801059809 + 542983204 = 28303^2 + 23302^2 .

It is a cyclic number.

It is not a de Polignac number, because 1344043013 - 2² = 1344043009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1344043013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1344043213) 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, 672021506 + 672021507.

It is an arithmetic number, because the mean of its divisors is an integer number (672021507).

Almost surely, 2^1344043013 is an apocalyptic number.

It is an amenable number.

1344043013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1344043013 is an equidigital number, since it uses as much as digits as its factorization.

1344043013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1344043013 is about 36661.1921928352. The cubic root of 1344043013 is about 1103.5814432052.

Adding to 1344043013 its reverse (3103404431), we get a palindrome (4447447444).

The spelling of 1344043013 in words is "one billion, three hundred forty-four million, forty-three thousand, thirteen".