68017433789 has 16 divisors (see below), whose sum is σ = 72191347200. Its totient is φ = 63862940160.

The previous prime is 68017433773. The next prime is 68017433801. The reversal of 68017433789 is 98733471086.

It is a cyclic number.

It is not a de Polignac number, because 68017433789 - 2⁴ = 68017433773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68017433389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14460212 + ... + 14464914.

It is an arithmetic number, because the mean of its divisors is an integer number (4511959200).

Almost surely, 2^68017433789 is an apocalyptic number.

It is an amenable number.

68017433789 is a deficient number, since it is larger than the sum of its proper divisors (4173913411).

68017433789 is a wasteful number, since it uses less digits than its factorization.

68017433789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6580.

The product of its (nonzero) digits is 6096384, while the sum is 56.

The spelling of 68017433789 in words is "sixty-eight billion, seventeen million, four hundred thirty-three thousand, seven hundred eighty-nine".