6865853684 has 6 divisors (see below), whose sum is σ = 12015243954. Its totient is φ = 3432926840.

The previous prime is 6865853669. The next prime is 6865853723. The reversal of 6865853684 is 4863585686.

It can be written as a sum of positive squares in only one way, i.e., 4478554084 + 2387299600 = 66922^2 + 48860^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 858231707 + ... + 858231714.

It is an arithmetic number, because the mean of its divisors is an integer number (2002540659).

Almost surely, 2^6865853684 is an apocalyptic number.

It is an amenable number.

6865853684 is a deficient number, since it is larger than the sum of its proper divisors (5149390270).

6865853684 is a wasteful number, since it uses less digits than its factorization.

6865853684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1716463425 (or 1716463423 counting only the distinct ones).

The product of its digits is 33177600, while the sum is 59.

The square root of 6865853684 is about 82860.4470419995. The cubic root of 6865853684 is about 1900.6326318075.

The spelling of 6865853684 in words is "six billion, eight hundred sixty-five million, eight hundred fifty-three thousand, six hundred eighty-four".