68329031791 has 8 divisors (see below), whose sum is σ = 70441431984. Its totient is φ = 66237862080.

The previous prime is 68329031777. The next prime is 68329031807. The reversal of 68329031791 is 19713092386.

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

It is a cyclic number.

It is not a de Polignac number, because 68329031791 - 2¹⁷ = 68328900719 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 (68329031711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5301085 + ... + 5313958.

It is an arithmetic number, because the mean of its divisors is an integer number (8805178998).

Almost surely, 2^68329031791 is an apocalyptic number.

68329031791 is a deficient number, since it is larger than the sum of its proper divisors (2112400193).

68329031791 is a wasteful number, since it uses less digits than its factorization.

68329031791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10615241.

The product of its (nonzero) digits is 489888, while the sum is 49.

The spelling of 68329031791 in words is "sixty-eight billion, three hundred twenty-nine million, thirty-one thousand, seven hundred ninety-one".