2085850589 has 2 divisors, whose sum is σ = 2085850590. Its totient is φ = 2085850588.

The previous prime is 2085850577. The next prime is 2085850597. The reversal of 2085850589 is 9850585802.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1938640900 + 147209689 = 44030^2 + 12133^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2085850589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2084850589) 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, 1042925294 + 1042925295.

It is an arithmetic number, because the mean of its divisors is an integer number (1042925295).

Almost surely, 2^2085850589 is an apocalyptic number.

It is an amenable number.

2085850589 is a deficient number, since it is larger than the sum of its proper divisors (1).

2085850589 is an equidigital number, since it uses as much as digits as its factorization.

2085850589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152000, while the sum is 50.

The square root of 2085850589 is about 45671.1132883796. The cubic root of 2085850589 is about 1277.6965794180.

The spelling of 2085850589 in words is "two billion, eighty-five million, eight hundred fifty thousand, five hundred eighty-nine".