108441371809 has 2 divisors, whose sum is σ = 108441371810. Its totient is φ = 108441371808.

The previous prime is 108441371783. The next prime is 108441371851. The reversal of 108441371809 is 908173144801.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95540955409 + 12900416400 = 309097^2 + 113580^2 .

It is a cyclic number.

It is not a de Polignac number, because 108441371809 - 2¹¹ = 108441369761 is a prime.

It is a super-3 number, since 3×108441371809³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (108441171809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54220685904 + 54220685905.

It is an arithmetic number, because the mean of its divisors is an integer number (54220685905).

Almost surely, 2^108441371809 is an apocalyptic number.

It is an amenable number.

108441371809 is a deficient number, since it is larger than the sum of its proper divisors (1).

108441371809 is an equidigital number, since it uses as much as digits as its factorization.

108441371809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 193536, while the sum is 46.

The spelling of 108441371809 in words is "one hundred eight billion, four hundred forty-one million, three hundred seventy-one thousand, eight hundred nine".