6868563306 has 48 divisors (see below), whose sum is σ = 15121257312. Its totient is φ = 2078382240.

The previous prime is 6868563283. The next prime is 6868563313. The reversal of 6868563306 is 6033658686.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 525705 + ... + 538611.

It is an arithmetic number, because the mean of its divisors is an integer number (315026194).

Almost surely, 2^6868563306 is an apocalyptic number.

6868563306 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 6868563306, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7560628656).

6868563306 is an abundant number, since it is smaller than the sum of its proper divisors (8252694006).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6868563306 is a wasteful number, since it uses less digits than its factorization.

6868563306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13667 (or 13656 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 51.

The square root of 6868563306 is about 82876.7959443414. The cubic root of 6868563306 is about 1900.8826283311.

The spelling of 6868563306 in words is "six billion, eight hundred sixty-eight million, five hundred sixty-three thousand, three hundred six".