5643323772 has 12 divisors (see below), whose sum is σ = 13167755496. Its totient is φ = 1881107920.

The previous prime is 5643323761. The next prime is 5643323773. The reversal of 5643323772 is 2773233465.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5643323773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235138479 + ... + 235138502.

It is an arithmetic number, because the mean of its divisors is an integer number (1097312958).

Almost surely, 2^5643323772 is an apocalyptic number.

It is an amenable number.

5643323772 is an abundant number, since it is smaller than the sum of its proper divisors (7524431724).

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

5643323772 is a wasteful number, since it uses less digits than its factorization.

5643323772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470276988 (or 470276986 counting only the distinct ones).

The product of its digits is 635040, while the sum is 42.

The square root of 5643323772 is about 75122.0591570812. The cubic root of 5643323772 is about 1780.3756910154.

The spelling of 5643323772 in words is "five billion, six hundred forty-three million, three hundred twenty-three thousand, seven hundred seventy-two".