6819481486 has 16 divisors (see below), whose sum is σ = 10781618400. Its totient is φ = 3230045728.

The previous prime is 6819481483. The next prime is 6819481489. The reversal of 6819481486 is 6841849186.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6819481483) and next prime (6819481489).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6819481481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1106146 + ... + 1112293.

It is an arithmetic number, because the mean of its divisors is an integer number (673851150).

Almost surely, 2^6819481486 is an apocalyptic number.

6819481486 is a deficient number, since it is larger than the sum of its proper divisors (3962136914).

6819481486 is a wasteful number, since it uses less digits than its factorization.

6819481486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2218523.

The product of its digits is 2654208, while the sum is 55.

The square root of 6819481486 is about 82580.1518889376. The cubic root of 6819481486 is about 1896.3439839412.

The spelling of 6819481486 in words is "six billion, eight hundred nineteen million, four hundred eighty-one thousand, four hundred eighty-six".