6853686546 has 96 divisors (see below), whose sum is σ = 16470501120. Its totient is φ = 1894658304.

The previous prime is 6853686529. The next prime is 6853686547. The reversal of 6853686546 is 6456863586.

It is not an unprimeable number, because it can be changed into a prime (6853686547) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1227016 + ... + 1232588.

It is an arithmetic number, because the mean of its divisors is an integer number (171567720).

Almost surely, 2^6853686546 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6853686546, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8235250560).

6853686546 is an abundant number, since it is smaller than the sum of its proper divisors (9616814574).

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

6853686546 is a wasteful number, since it uses less digits than its factorization.

6853686546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5728 (or 5721 counting only the distinct ones).

The product of its digits is 24883200, while the sum is 57.

The square root of 6853686546 is about 82786.9950294127. The cubic root of 6853686546 is about 1899.5092496171.

The spelling of 6853686546 in words is "six billion, eight hundred fifty-three million, six hundred eighty-six thousand, five hundred forty-six".