1343443459 has 2 divisors, whose sum is σ = 1343443460. Its totient is φ = 1343443458.

The previous prime is 1343443403. The next prime is 1343443463. The reversal of 1343443459 is 9543443431.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1343443459 is a prime.

It is not a weakly prime, because it can be changed into another prime (1343443499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671721729 + 671721730.

It is an arithmetic number, because the mean of its divisors is an integer number (671721730).

Almost surely, 2^1343443459 is an apocalyptic number.

1343443459 is a deficient number, since it is larger than the sum of its proper divisors (1).

1343443459 is an equidigital number, since it uses as much as digits as its factorization.

1343443459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 311040, while the sum is 40.

The square root of 1343443459 is about 36653.0143235178. The cubic root of 1343443459 is about 1103.4173226944.

The spelling of 1343443459 in words is "one billion, three hundred forty-three million, four hundred forty-three thousand, four hundred fifty-nine".