6814781684 has 24 divisors (see below), whose sum is σ = 12021367680. Its totient is φ = 3380140736.

The previous prime is 6814781683. The next prime is 6814781707. The reversal of 6814781684 is 4861874186.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6814781683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 975797 + ... + 982755.

It is an arithmetic number, because the mean of its divisors is an integer number (500890320).

Almost surely, 2^6814781684 is an apocalyptic number.

It is an amenable number.

6814781684 is a deficient number, since it is larger than the sum of its proper divisors (5206585996).

6814781684 is a wasteful number, since it uses less digits than its factorization.

6814781684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8887 (or 8885 counting only the distinct ones).

The product of its digits is 2064384, while the sum is 53.

The square root of 6814781684 is about 82551.6909820750. The cubic root of 6814781684 is about 1895.9082475168.

The spelling of 6814781684 in words is "six billion, eight hundred fourteen million, seven hundred eighty-one thousand, six hundred eighty-four".