2068647559 has 16 divisors (see below), whose sum is σ = 2304767520. Its totient is φ = 1840960000.

The previous prime is 2068647547. The next prime is 2068647583. The reversal of 2068647559 is 9557468602.

It is not a de Polignac number, because 2068647559 - 2⁹ = 2068647047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2068647589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88419 + ... + 109339.

It is an arithmetic number, because the mean of its divisors is an integer number (144047970).

Almost surely, 2^2068647559 is an apocalyptic number.

2068647559 is a deficient number, since it is larger than the sum of its proper divisors (236119961).

2068647559 is a wasteful number, since it uses less digits than its factorization.

2068647559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21122.

The product of its (nonzero) digits is 3628800, while the sum is 52.

The square root of 2068647559 is about 45482.3873493905. The cubic root of 2068647559 is about 1274.1742820226.

The spelling of 2068647559 in words is "two billion, sixty-eight million, six hundred forty-seven thousand, five hundred fifty-nine".