609016209 has 8 divisors (see below), whose sum is σ = 812328000. Its totient is φ = 405857616.

The previous prime is 609016207. The next prime is 609016229. The reversal of 609016209 is 902610906.

It is a happy number.

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

It is not a de Polignac number, because 609016209 - 2¹ = 609016207 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 609016209.

It is not an unprimeable number, because it can be changed into a prime (609016201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28677 + ... + 45170.

It is an arithmetic number, because the mean of its divisors is an integer number (101541000).

Almost surely, 2^609016209 is an apocalyptic number.

It is an amenable number.

609016209 is a deficient number, since it is larger than the sum of its proper divisors (203311791).

609016209 is a wasteful number, since it uses less digits than its factorization.

609016209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76599.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 609016209 is about 24678.2537672340. The cubic root of 609016209 is about 847.6364368189.

The spelling of 609016209 in words is "six hundred nine million, sixteen thousand, two hundred nine".