6818820683 has 4 divisors (see below), whose sum is σ = 7219927800. Its totient is φ = 6417713568.

The previous prime is 6818820647. The next prime is 6818820709. The reversal of 6818820683 is 3860288186.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6818820683 - 2¹⁰ = 6818819659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6818820623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200553533 + ... + 200553566.

It is an arithmetic number, because the mean of its divisors is an integer number (1804981950).

Almost surely, 2^6818820683 is an apocalyptic number.

6818820683 is a deficient number, since it is larger than the sum of its proper divisors (401107117).

6818820683 is a wasteful number, since it uses less digits than its factorization.

6818820683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401107116.

The product of its (nonzero) digits is 884736, while the sum is 50.

The square root of 6818820683 is about 82576.1508124471. The cubic root of 6818820683 is about 1896.2827304929.

The spelling of 6818820683 in words is "six billion, eight hundred eighteen million, eight hundred twenty thousand, six hundred eighty-three".