5643368217 has 24 divisors (see below), whose sum is σ = 8182574400. Its totient is φ = 3747951648.

The previous prime is 5643368209. The next prime is 5643368219. The reversal of 5643368217 is 7128633465.

5643368217 is a `hidden beast` number, since 564 + 3 + 3 + 6 + 82 + 1 + 7 = 666.

It is not a de Polignac number, because 5643368217 - 2³ = 5643368209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5643368219) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3948459 + ... + 3949887.

It is an arithmetic number, because the mean of its divisors is an integer number (340940600).

Almost surely, 2^5643368217 is an apocalyptic number.

It is an amenable number.

5643368217 is a deficient number, since it is larger than the sum of its proper divisors (2539206183).

5643368217 is a wasteful number, since it uses less digits than its factorization.

5643368217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2797 (or 2794 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The square root of 5643368217 is about 75122.3549750672. The cubic root of 5643368217 is about 1780.3803648916.

The spelling of 5643368217 in words is "five billion, six hundred forty-three million, three hundred sixty-eight thousand, two hundred seventeen".