68559494574 has 8 divisors (see below), whose sum is σ = 137118989160. Its totient is φ = 22853164856.

The previous prime is 68559494539. The next prime is 68559494611. The reversal of 68559494574 is 47549495586.

It is a sphenic number, since it is the product of 3 distinct primes.

68559494574 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5713291209 + ... + 5713291220.

It is an arithmetic number, because the mean of its divisors is an integer number (17139873645).

Almost surely, 2^68559494574 is an apocalyptic number.

68559494574 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

68559494574 is a wasteful number, since it uses less digits than its factorization.

68559494574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11426582434.

The product of its digits is 217728000, while the sum is 66.

The spelling of 68559494574 in words is "sixty-eight billion, five hundred fifty-nine million, four hundred ninety-four thousand, five hundred seventy-four".