2005286289 has 16 divisors (see below), whose sum is σ = 2836264320. Its totient is φ = 1255875840.

The previous prime is 2005286263. The next prime is 2005286291. The reversal of 2005286289 is 9826825002.

It is not a de Polignac number, because 2005286289 - 2¹³ = 2005278097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2005286289.

It is not an unprimeable number, because it can be changed into a prime (2005286249) 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, 8749 + ... + 63930.

It is an arithmetic number, because the mean of its divisors is an integer number (177266520).

Almost surely, 2^2005286289 is an apocalyptic number.

It is an amenable number.

2005286289 is a deficient number, since it is larger than the sum of its proper divisors (830978031).

2005286289 is a wasteful number, since it uses less digits than its factorization.

2005286289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73240.

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 2005286289 is about 44780.4230551700. The cubic root of 2005286289 is about 1261.0301244511.

The spelling of 2005286289 in words is "two billion, five million, two hundred eighty-six thousand, two hundred eighty-nine".