6848686081 has 16 divisors (see below), whose sum is σ = 7185704400. Its totient is φ = 6518837248.

The previous prime is 6848686049. The next prime is 6848686093. The reversal of 6848686081 is 1806868486.

It can be written as a sum of positive squares in 8 ways, for example, as 28569025 + 6820117056 = 5345^2 + 82584^2 .

It is a cyclic number.

It is not a de Polignac number, because 6848686081 - 2⁵ = 6848686049 is a prime.

It is a super-2 number, since 2×6848686081² = 93809002072166277122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6848686981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 907335 + ... + 914851.

It is an arithmetic number, because the mean of its divisors is an integer number (449106525).

Almost surely, 2^6848686081 is an apocalyptic number.

It is an amenable number.

6848686081 is a deficient number, since it is larger than the sum of its proper divisors (337018319).

6848686081 is a wasteful number, since it uses less digits than its factorization.

6848686081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7988.

The product of its (nonzero) digits is 3538944, while the sum is 55.

The square root of 6848686081 is about 82756.7887305930. The cubic root of 6848686081 is about 1899.0471751594.

The spelling of 6848686081 in words is "six billion, eight hundred forty-eight million, six hundred eighty-six thousand, eighty-one".