6843644928 has 132 divisors (see below), whose sum is σ = 20135159928. Its totient is φ = 2238013440.

The previous prime is 6843644911. The next prime is 6843644959. The reversal of 6843644928 is 8294463486.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 481443 + ... + 495453.

Almost surely, 2^6843644928 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 6843644928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10067579964).

6843644928 is an abundant number, since it is smaller than the sum of its proper divisors (13291515000).

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

6843644928 is a wasteful number, since it uses less digits than its factorization.

6843644928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14090 (or 14069 counting only the distinct ones).

The product of its digits is 7962624, while the sum is 54.

The square root of 6843644928 is about 82726.3254834880. The cubic root of 6843644928 is about 1898.5811131477.

The spelling of 6843644928 in words is "six billion, eight hundred forty-three million, six hundred forty-four thousand, nine hundred twenty-eight".