68329109105 has 8 divisors (see below), whose sum is σ = 82161929664. Its totient is φ = 54551954800.

The previous prime is 68329109071. The next prime is 68329109209. The reversal of 68329109105 is 50190192386.

It is a happy number.

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

It is not a de Polignac number, because 68329109105 - 2²⁰ = 68328060529 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 13913861 + ... + 13918770.

It is an arithmetic number, because the mean of its divisors is an integer number (10270241208).

Almost surely, 2^68329109105 is an apocalyptic number.

It is an amenable number.

68329109105 is a deficient number, since it is larger than the sum of its proper divisors (13832820559).

68329109105 is a wasteful number, since it uses less digits than its factorization.

68329109105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27833127.

The product of its (nonzero) digits is 116640, while the sum is 44.

The spelling of 68329109105 in words is "sixty-eight billion, three hundred twenty-nine million, one hundred nine thousand, one hundred five".