68569381888 has 44 divisors (see below), whose sum is σ = 156653503792. Its totient is φ = 29386874880.

The previous prime is 68569381849. The next prime is 68569381897. The reversal of 68569381888 is 88818396586.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 4775853 + ... + 4790188.

Almost surely, 2^68569381888 is an apocalyptic number.

It is an amenable number.

68569381888 is an abundant number, since it is smaller than the sum of its proper divisors (88084121904).

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

68569381888 is an equidigital number, since it uses as much as digits as its factorization.

68569381888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9566068 (or 9566050 counting only the distinct ones).

The product of its digits is 159252480, while the sum is 70.

The spelling of 68569381888 in words is "sixty-eight billion, five hundred sixty-nine million, three hundred eighty-one thousand, eight hundred eighty-eight".