36441611209 has 2 divisors, whose sum is σ = 36441611210. Its totient is φ = 36441611208.

The previous prime is 36441611191. The next prime is 36441611237. The reversal of 36441611209 is 90211614463.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20615216400 + 15826394809 = 143580^2 + 125803^2 .

It is a cyclic number.

It is not a de Polignac number, because 36441611209 - 2⁵ = 36441611177 is a prime.

It is not a weakly prime, because it can be changed into another prime (36441611299) 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 as a sum of consecutive naturals, namely, 18220805604 + 18220805605.

It is an arithmetic number, because the mean of its divisors is an integer number (18220805605).

Almost surely, 2^36441611209 is an apocalyptic number.

It is an amenable number.

36441611209 is a deficient number, since it is larger than the sum of its proper divisors (1).

36441611209 is an equidigital number, since it uses as much as digits as its factorization.

36441611209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 37.

The spelling of 36441611209 in words is "thirty-six billion, four hundred forty-one million, six hundred eleven thousand, two hundred nine".