6881043843 has 12 divisors (see below), whose sum is σ = 9942385128. Its totient is φ = 4585932000.

The previous prime is 6881043839. The next prime is 6881043863. The reversal of 6881043843 is 3483401886.

It is not a de Polignac number, because 6881043843 - 2² = 6881043839 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6881043803) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88330 + ... + 146847.

It is an arithmetic number, because the mean of its divisors is an integer number (828532094).

Almost surely, 2^6881043843 is an apocalyptic number.

6881043843 is a deficient number, since it is larger than the sum of its proper divisors (3061341285).

6881043843 is a wasteful number, since it uses less digits than its factorization.

6881043843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238434 (or 238431 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 45.

The square root of 6881043843 is about 82952.0574970868. The cubic root of 6881043843 is about 1902.0332659117.

It can be divided in two parts, 6881043 and 843, that added together give a palindrome (6881886).

The spelling of 6881043843 in words is "six billion, eight hundred eighty-one million, forty-three thousand, eight hundred forty-three".