6843944136 has 16 divisors (see below), whose sum is σ = 17109860400. Its totient is φ = 2281314704.

The previous prime is 6843944111. The next prime is 6843944137. The reversal of 6843944136 is 6314493486.

It is not an unprimeable number, because it can be changed into a prime (6843944137) 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, 142582146 + ... + 142582193.

It is an arithmetic number, because the mean of its divisors is an integer number (1069366275).

Almost surely, 2^6843944136 is an apocalyptic number.

It is an amenable number.

6843944136 is an abundant number, since it is smaller than the sum of its proper divisors (10265916264).

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

6843944136 is a wasteful number, since it uses less digits than its factorization.

6843944136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285164348 (or 285164344 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 48.

The square root of 6843944136 is about 82728.1338844289. The cubic root of 6843944136 is about 1898.6087817553.

It can be divided in two parts, 68439 and 44136, that added together give a triangular number (112575 = T₄₇₄).

The spelling of 6843944136 in words is "six billion, eight hundred forty-three million, nine hundred forty-four thousand, one hundred thirty-six".