109009589 has 8 divisors (see below), whose sum is σ = 117609240. Its totient is φ = 100440576.

The previous prime is 109009583. The next prime is 109009597. The reversal of 109009589 is 985900901.

It can be written as a sum of positive squares in 4 ways, for example, as 4622500 + 104387089 = 2150^2 + 10217^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 109009589 - 2²⁰ = 107961013 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 (109009583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29 + ... + 14765.

It is an arithmetic number, because the mean of its divisors is an integer number (14701155).

Almost surely, 2^109009589 is an apocalyptic number.

It is an amenable number.

109009589 is a deficient number, since it is larger than the sum of its proper divisors (8599651).

109009589 is a wasteful number, since it uses less digits than its factorization.

109009589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15319.

The product of its (nonzero) digits is 29160, while the sum is 41.

The square root of 109009589 is about 10440.7657286235. The cubic root of 109009589 is about 477.6996254218.

The spelling of 109009589 in words is "one hundred nine million, nine thousand, five hundred eighty-nine".