2068319814329 has 4 divisors (see below), whose sum is σ = 2068336257780. Its totient is φ = 2068303370880.

The previous prime is 2068319814311. The next prime is 2068319814331. The reversal of 2068319814329 is 9234189138602.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1315196112400 + 753123701929 = 1146820^2 + 867827^2 .

It is a cyclic number.

It is not a de Polignac number, because 2068319814329 - 2⁸ = 2068319814073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2068319814829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8031584 + ... + 8285105.

It is an arithmetic number, because the mean of its divisors is an integer number (517084064445).

Almost surely, 2^{2068319814329} is an apocalyptic number.

It is an amenable number.

2068319814329 is a deficient number, since it is larger than the sum of its proper divisors (16443451).

2068319814329 is a wasteful number, since it uses less digits than its factorization.

2068319814329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16443450.

The product of its (nonzero) digits is 4478976, while the sum is 56.

The spelling of 2068319814329 in words is "two trillion, sixty-eight billion, three hundred nineteen million, eight hundred fourteen thousand, three hundred twenty-nine".