5643443459 has 2 divisors, whose sum is σ = 5643443460. Its totient is φ = 5643443458.

The previous prime is 5643443417. The next prime is 5643443513. The reversal of 5643443459 is 9543443465.

5643443459 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5643443459 - 2³² = 1348476163 is a prime.

It is not a weakly prime, because it can be changed into another prime (5643443059) 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, 2821721729 + 2821721730.

It is an arithmetic number, because the mean of its divisors is an integer number (2821721730).

Almost surely, 2^5643443459 is an apocalyptic number.

5643443459 is a deficient number, since it is larger than the sum of its proper divisors (1).

5643443459 is an equidigital number, since it uses as much as digits as its factorization.

5643443459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3110400, while the sum is 47.

The square root of 5643443459 is about 75122.8557697323. The cubic root of 5643443459 is about 1780.3882773521.

The spelling of 5643443459 in words is "five billion, six hundred forty-three million, four hundred forty-three thousand, four hundred fifty-nine".