2068322391 has 16 divisors (see below), whose sum is σ = 3244428000. Its totient is φ = 1297770624.

The previous prime is 2068322351. The next prime is 2068322393. The reversal of 2068322391 is 1932238602.

It is not a de Polignac number, because 2068322391 - 2¹⁵ = 2068289623 is a prime.

It is a super-2 number, since 2×2068322391² = 8555915026223913762, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2068322393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2252616 + ... + 2253533.

It is an arithmetic number, because the mean of its divisors is an integer number (202776750).

Almost surely, 2^2068322391 is an apocalyptic number.

2068322391 is a deficient number, since it is larger than the sum of its proper divisors (1176105609).

2068322391 is a wasteful number, since it uses less digits than its factorization.

2068322391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4506175 (or 4506169 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 2068322391 is about 45478.8125504613. The cubic root of 2068322391 is about 1274.1075165955.

The spelling of 2068322391 in words is "two billion, sixty-eight million, three hundred twenty-two thousand, three hundred ninety-one".