68012328319 has 8 divisors (see below), whose sum is σ = 76428569952. Its totient is φ = 60051018720.

The previous prime is 68012328311. The next prime is 68012328323. The reversal of 68012328319 is 91382321086.

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 68012328319 - 2³ = 68012328311 is a prime.

It is a super-2 number, since 2×68012328319² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68012328311) 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, 113732692 + ... + 113733289.

It is an arithmetic number, because the mean of its divisors is an integer number (9553571244).

Almost surely, 2^68012328319 is an apocalyptic number.

68012328319 is a deficient number, since it is larger than the sum of its proper divisors (8416241633).

68012328319 is a wasteful number, since it uses less digits than its factorization.

68012328319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227466017.

The product of its (nonzero) digits is 124416, while the sum is 43.

The spelling of 68012328319 in words is "sixty-eight billion, twelve million, three hundred twenty-eight thousand, three hundred nineteen".