6863668612 has 12 divisors (see below), whose sum is σ = 12425607180. Its totient is φ = 3313495136.

The previous prime is 6863668607. The next prime is 6863668613. The reversal of 6863668612 is 2168663686.

It can be written as a sum of positive squares in 2 ways, for example, as 4594670656 + 2268997956 = 67784^2 + 47634^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6863668612.

It is not an unprimeable number, because it can be changed into a prime (6863668613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29584663 + ... + 29584894.

It is an arithmetic number, because the mean of its divisors is an integer number (1035467265).

Almost surely, 2^6863668612 is an apocalyptic number.

It is an amenable number.

6863668612 is a deficient number, since it is larger than the sum of its proper divisors (5561938568).

6863668612 is a wasteful number, since it uses less digits than its factorization.

6863668612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59169590 (or 59169588 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 52.

The square root of 6863668612 is about 82847.2607392664. The cubic root of 6863668612 is about 1900.4309836715.

The spelling of 6863668612 in words is "six billion, eight hundred sixty-three million, six hundred sixty-eight thousand, six hundred twelve".