609499473 has 16 divisors (see below), whose sum is σ = 890265600. Its totient is φ = 367843280.

The previous prime is 609499459. The next prime is 609499477. The reversal of 609499473 is 374994906.

It is a cyclic number.

It is not a de Polignac number, because 609499473 - 2²⁰ = 608450897 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (609499477) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30753 + ... + 46526.

It is an arithmetic number, because the mean of its divisors is an integer number (55641600).

Almost surely, 2^609499473 is an apocalyptic number.

It is an amenable number.

609499473 is a deficient number, since it is larger than the sum of its proper divisors (280766127).

609499473 is a wasteful number, since it uses less digits than its factorization.

609499473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77532.

The product of its (nonzero) digits is 1469664, while the sum is 51.

The square root of 609499473 is about 24688.0431180764. The cubic root of 609499473 is about 847.8605818509.

The spelling of 609499473 in words is "six hundred nine million, four hundred ninety-nine thousand, four hundred seventy-three".