2009541589 has 4 divisors (see below), whose sum is σ = 2192227200. Its totient is φ = 1826855980.

The previous prime is 2009541577. The next prime is 2009541607. The reversal of 2009541589 is 9851459002.

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 2009541589 - 2¹⁵ = 2009508821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2009541509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91342789 + ... + 91342810.

It is an arithmetic number, because the mean of its divisors is an integer number (548056800).

Almost surely, 2^2009541589 is an apocalyptic number.

It is an amenable number.

2009541589 is a deficient number, since it is larger than the sum of its proper divisors (182685611).

2009541589 is a wasteful number, since it uses less digits than its factorization.

2009541589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182685610.

The product of its (nonzero) digits is 129600, while the sum is 43.

The square root of 2009541589 is about 44827.9108257345. The cubic root of 2009541589 is about 1261.9214801840.

The spelling of 2009541589 in words is "two billion, nine million, five hundred forty-one thousand, five hundred eighty-nine".