1344044543 has 4 divisors (see below), whose sum is σ = 1369403928. Its totient is φ = 1318685160.

The previous prime is 1344044539. The next prime is 1344044549. The reversal of 1344044543 is 3454404431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1344044543 - 2² = 1344044539 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344044549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12679613 + ... + 12679718.

It is an arithmetic number, because the mean of its divisors is an integer number (342350982).

Almost surely, 2^1344044543 is an apocalyptic number.

1344044543 is a deficient number, since it is larger than the sum of its proper divisors (25359385).

1344044543 is an equidigital number, since it uses as much as digits as its factorization.

1344044543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25359384.

The product of its (nonzero) digits is 46080, while the sum is 32.

The square root of 1344044543 is about 36661.2130595811. The cubic root of 1344044543 is about 1103.5818619614.

Adding to 1344044543 its reverse (3454404431), we get a palindrome (4798448974).

The spelling of 1344044543 in words is "one billion, three hundred forty-four million, forty-four thousand, five hundred forty-three".