209106330017 has 16 divisors (see below), whose sum is σ = 227582003712. Its totient is φ = 190973376000.

The previous prime is 209106329989. The next prime is 209106330019. The reversal of 209106330017 is 710033601902.

It is a happy number.

209106330017 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 209106330017 - 2¹⁶ = 209106264481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (209106330019) 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 15 ways as a sum of consecutive naturals, for example, 4449392 + ... + 4496142.

It is an arithmetic number, because the mean of its divisors is an integer number (14223875232).

Almost surely, 2^209106330017 is an apocalyptic number.

It is an amenable number.

209106330017 is a deficient number, since it is larger than the sum of its proper divisors (18475673695).

209106330017 is a wasteful number, since it uses less digits than its factorization.

209106330017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50408.

The product of its (nonzero) digits is 6804, while the sum is 32.

Adding to 209106330017 its reverse (710033601902), we get a palindrome (919139931919).

The spelling of 209106330017 in words is "two hundred nine billion, one hundred six million, three hundred thirty thousand, seventeen".