6803863646 has 16 divisors (see below), whose sum is σ = 10250136576. Its totient is φ = 3387182136.

The previous prime is 6803863637. The next prime is 6803863669. The reversal of 6803863646 is 6463683086.

It is a junction number, because it is equal to n+sod(n) for n = 6803863594 and 6803863603.

It is a congruent number.

It is an unprimeable number.

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, 467735 + ... + 482061.

It is an arithmetic number, because the mean of its divisors is an integer number (640633536).

Almost surely, 2^6803863646 is an apocalyptic number.

6803863646 is a deficient number, since it is larger than the sum of its proper divisors (3446272930).

6803863646 is a wasteful number, since it uses less digits than its factorization.

6803863646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15343.

The product of its (nonzero) digits is 2985984, while the sum is 50.

The square root of 6803863646 is about 82485.5359805584. The cubic root of 6803863646 is about 1894.8952210569.

The spelling of 6803863646 in words is "six billion, eight hundred three million, eight hundred sixty-three thousand, six hundred forty-six".