5643443466 has 48 divisors (see below), whose sum is σ = 12333025224. Its totient is φ = 1864945152.

The previous prime is 5643443459. The next prime is 5643443513. The reversal of 5643443466 is 6643443465.

5643443466 is a `hidden beast` number, since 564 + 3 + 4 + 43 + 46 + 6 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 5052224241 + 591219225 = 71079^2 + 24315^2 .

It is an unprimeable number.

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 in 23 ways as a sum of consecutive naturals, for example, 3532980 + ... + 3534576.

Almost surely, 2^5643443466 is an apocalyptic number.

5643443466 is an abundant number, since it is smaller than the sum of its proper divisors (6689581758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5643443466 is a wasteful number, since it uses less digits than its factorization.

5643443466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3175 (or 3172 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 45.

The square root of 5643443466 is about 75122.8558163226. The cubic root of 5643443466 is about 1780.3882780882.

Subtracting 5643443466 from its reverse (6643443465), we obtain a palindrome (999999999).

The spelling of 5643443466 in words is "five billion, six hundred forty-three million, four hundred forty-three thousand, four hundred sixty-six".