2085289673 has 2 divisors, whose sum is σ = 2085289674. Its totient is φ = 2085289672.

The previous prime is 2085289663. The next prime is 2085289681. The reversal of 2085289673 is 3769825802.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1138927504 + 946362169 = 33748^2 + 30763^2 .

It is a cyclic number.

It is not a de Polignac number, because 2085289673 - 2⁸ = 2085289417 is a prime.

It is not a weakly prime, because it can be changed into another prime (2085289663) 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, 1042644836 + 1042644837.

It is an arithmetic number, because the mean of its divisors is an integer number (1042644837).

Almost surely, 2^2085289673 is an apocalyptic number.

It is an amenable number.

2085289673 is a deficient number, since it is larger than the sum of its proper divisors (1).

2085289673 is an equidigital number, since it uses as much as digits as its factorization.

2085289673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The square root of 2085289673 is about 45664.9720573658. The cubic root of 2085289673 is about 1277.5820386626.

The spelling of 2085289673 in words is "two billion, eighty-five million, two hundred eighty-nine thousand, six hundred seventy-three".