609441605 has 8 divisors (see below), whose sum is σ = 731527200. Its totient is φ = 487421776.

The previous prime is 609441577. The next prime is 609441607. The reversal of 609441605 is 506144906.

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 609441605 - 2¹⁴ = 609425221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (609441607) 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, 6986 + ... + 35604.

It is an arithmetic number, because the mean of its divisors is an integer number (91440900).

Almost surely, 2^609441605 is an apocalyptic number.

It is an amenable number.

609441605 is a deficient number, since it is larger than the sum of its proper divisors (122085595).

609441605 is a wasteful number, since it uses less digits than its factorization.

609441605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32883.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 609441605 is about 24686.8711059138. The cubic root of 609441605 is about 847.8337480574.

The spelling of 609441605 in words is "six hundred nine million, four hundred forty-one thousand, six hundred five".