609897673 has 16 divisors (see below), whose sum is σ = 778942080. Its totient is φ = 463651200.

The previous prime is 609897671. The next prime is 609897679. The reversal of 609897673 is 376798906.

It is a cyclic number.

It is not a de Polignac number, because 609897673 - 2¹ = 609897671 is a prime.

It is not an unprimeable number, because it can be changed into a prime (609897671) 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 15 ways as a sum of consecutive naturals, for example, 93438 + ... + 99751.

It is an arithmetic number, because the mean of its divisors is an integer number (48683880).

Almost surely, 2^609897673 is an apocalyptic number.

It is an amenable number.

609897673 is a deficient number, since it is larger than the sum of its proper divisors (169044407).

609897673 is a wasteful number, since it uses less digits than its factorization.

609897673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193248.

The product of its (nonzero) digits is 3429216, while the sum is 55.

The square root of 609897673 is about 24696.1064340110. The cubic root of 609897673 is about 848.0451839169.

The spelling of 609897673 in words is "six hundred nine million, eight hundred ninety-seven thousand, six hundred seventy-three".