2085484889 has 2 divisors, whose sum is σ = 2085484890. Its totient is φ = 2085484888.

The previous prime is 2085484873. The next prime is 2085484903. The reversal of 2085484889 is 9884845802.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2085474889 + 10000 = 45667^2 + 100^2 .

It is a cyclic number.

It is not a de Polignac number, because 2085484889 - 2⁴ = 2085484873 is a prime.

It is not a weakly prime, because it can be changed into another prime (2085484789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1042742444 + 1042742445.

It is an arithmetic number, because the mean of its divisors is an integer number (1042742445).

Almost surely, 2^2085484889 is an apocalyptic number.

It is an amenable number.

2085484889 is a deficient number, since it is larger than the sum of its proper divisors (1).

2085484889 is an equidigital number, since it uses as much as digits as its factorization.

2085484889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5898240, while the sum is 56.

The square root of 2085484889 is about 45667.1094881207. The cubic root of 2085484889 is about 1277.6219046944.

The spelling of 2085484889 in words is "two billion, eighty-five million, four hundred eighty-four thousand, eight hundred eighty-nine".