5643633344 has 56 divisors (see below), whose sum is σ = 12081711168. Its totient is φ = 2605690880.

The previous prime is 5643633343. The next prime is 5643633407. The reversal of 5643633344 is 4433363465.

It is not an unprimeable number, because it can be changed into a prime (5643633343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8729 + ... + 106599.

Almost surely, 2^5643633344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5643633344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6040855584).

5643633344 is an abundant number, since it is smaller than the sum of its proper divisors (6438077824).

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

5643633344 is a wasteful number, since it uses less digits than its factorization.

5643633344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97953 (or 97943 counting only the distinct ones).

The product of its digits is 933120, while the sum is 41.

The square root of 5643633344 is about 75124.1195888511. The cubic root of 5643633344 is about 1780.4082453757.

The spelling of 5643633344 in words is "five billion, six hundred forty-three million, six hundred thirty-three thousand, three hundred forty-four".