6863438343686 has 64 divisors (see below), whose sum is σ = 10831668978240. Its totient is φ = 3259126886400.

The previous prime is 6863438343659. The next prime is 6863438343731.

It is a happy number.

6863438343686 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106953386 + ... + 107017538.

It is an arithmetic number, because the mean of its divisors is an integer number (169244827785).

Almost surely, 2^{6863438343686} is an apocalyptic number.

6863438343686 is a deficient number, since it is larger than the sum of its proper divisors (3968230634554).

6863438343686 is a wasteful number, since it uses less digits than its factorization.

6863438343686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64521.

The product of its digits is 859963392, while the sum is 68.

The spelling of 6863438343686 in words is "six trillion, eight hundred sixty-three billion, four hundred thirty-eight million, three hundred forty-three thousand, six hundred eighty-six".