2090206589 has 4 divisors (see below), whose sum is σ = 2157632640. Its totient is φ = 2022780540.

The previous prime is 2090206567. The next prime is 2090206619. The reversal of 2090206589 is 9856020902.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2090206589 - 2⁸ = 2090206333 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2090202589) 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 3 ways as a sum of consecutive naturals, for example, 33712979 + ... + 33713040.

It is an arithmetic number, because the mean of its divisors is an integer number (539408160).

Almost surely, 2^2090206589 is an apocalyptic number.

It is an amenable number.

2090206589 is a deficient number, since it is larger than the sum of its proper divisors (67426051).

2090206589 is an equidigital number, since it uses as much as digits as its factorization.

2090206589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67426050.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 2090206589 is about 45718.7772036830. Note that the first 3 decimals coincide. The cubic root of 2090206589 is about 1278.5853897138.

The spelling of 2090206589 in words is "two billion, ninety million, two hundred six thousand, five hundred eighty-nine".