617081230209 has 8 divisors (see below), whose sum is σ = 824130453760. Its totient is φ = 410709746736.

The previous prime is 617081230193. The next prime is 617081230223. The reversal of 617081230209 is 902032180716.

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

It is not a de Polignac number, because 617081230209 - 2⁴ = 617081230193 is a prime.

It is a super-4 number, since 4×617081230209⁴ (a number of 48 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (617081230279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169432894 + ... + 169436535.

It is an arithmetic number, because the mean of its divisors is an integer number (103016306720).

Almost surely, 2^617081230209 is an apocalyptic number.

It is an amenable number.

617081230209 is a deficient number, since it is larger than the sum of its proper divisors (207049223551).

617081230209 is a wasteful number, since it uses less digits than its factorization.

617081230209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338870039.

The product of its (nonzero) digits is 36288, while the sum is 39.

The spelling of 617081230209 in words is "six hundred seventeen billion, eighty-one million, two hundred thirty thousand, two hundred nine".