6811489886 has 8 divisors (see below), whose sum is σ = 10295229384. Its totient is φ = 3379746760.

The previous prime is 6811489871. The next prime is 6811489907. The reversal of 6811489886 is 6889841186.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12998765 + ... + 12999288.

It is an arithmetic number, because the mean of its divisors is an integer number (1286903673).

Almost surely, 2^6811489886 is an apocalyptic number.

6811489886 is a deficient number, since it is larger than the sum of its proper divisors (3483739498).

6811489886 is a wasteful number, since it uses less digits than its factorization.

6811489886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25998186.

The product of its digits is 5308416, while the sum is 59.

The square root of 6811489886 is about 82531.7507750805. The cubic root of 6811489886 is about 1895.6029331571.

The spelling of 6811489886 in words is "six billion, eight hundred eleven million, four hundred eighty-nine thousand, eight hundred eighty-six".