2068106321 has 4 divisors (see below), whose sum is σ = 2189759652. Its totient is φ = 1946452992.

The previous prime is 2068106311. The next prime is 2068106399. The reversal of 2068106321 is 1236018602.

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 968454400 + 1099651921 = 31120^2 + 33161^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2068106321 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2068106311) 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, 60826640 + ... + 60826673.

It is an arithmetic number, because the mean of its divisors is an integer number (547439913).

Almost surely, 2^2068106321 is an apocalyptic number.

It is an amenable number.

2068106321 is a deficient number, since it is larger than the sum of its proper divisors (121653331).

2068106321 is a wasteful number, since it uses less digits than its factorization.

2068106321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121653330.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 2068106321 is about 45476.4369866418. The cubic root of 2068106321 is about 1274.0631479485.

The spelling of 2068106321 in words is "two billion, sixty-eight million, one hundred six thousand, three hundred twenty-one".