5643920688 has 80 divisors (see below), whose sum is σ = 17387506176. Its totient is φ = 1542435840.

The previous prime is 5643920669. The next prime is 5643920699. The reversal of 5643920688 is 8860293465.

It is a self number, because there is not a number n which added to its sum of digits gives 5643920688.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 357433 + ... + 372888.

Almost surely, 2^5643920688 is an apocalyptic number.

It is an amenable number.

5643920688 is an abundant number, since it is smaller than the sum of its proper divisors (11743585488).

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

5643920688 is a wasteful number, since it uses less digits than its factorization.

5643920688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730362 (or 730356 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 51.

The square root of 5643920688 is about 75126.0320261892. The cubic root of 5643920688 is about 1780.4384611907.

The spelling of 5643920688 in words is "five billion, six hundred forty-three million, nine hundred twenty thousand, six hundred eighty-eight".