68459135586 has 8 divisors (see below), whose sum is σ = 136918271184. Its totient is φ = 22819711860.

The previous prime is 68459135557. The next prime is 68459135593. The reversal of 68459135586 is 68553195486.

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

68459135586 is an admirable 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, 5704927960 + ... + 5704927971.

It is an arithmetic number, because the mean of its divisors is an integer number (17114783898).

Almost surely, 2^68459135586 is an apocalyptic number.

68459135586 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.

68459135586 is a wasteful number, since it uses less digits than its factorization.

68459135586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11409855936.

The product of its digits is 31104000, while the sum is 60.

The spelling of 68459135586 in words is "sixty-eight billion, four hundred fifty-nine million, one hundred thirty-five thousand, five hundred eighty-six".