36201220309 has 2 divisors, whose sum is σ = 36201220310. Its totient is φ = 36201220308.

The previous prime is 36201220303. The next prime is 36201220327. The reversal of 36201220309 is 90302210263.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31921182225 + 4280038084 = 178665^2 + 65422^2 .

It is an emirp because it is prime and its reverse (90302210263) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36201220309 - 2¹⁷ = 36201089237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36201220303) 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, 18100610154 + 18100610155.

It is an arithmetic number, because the mean of its divisors is an integer number (18100610155).

Almost surely, 2^36201220309 is an apocalyptic number.

It is an amenable number.

36201220309 is a deficient number, since it is larger than the sum of its proper divisors (1).

36201220309 is an equidigital number, since it uses as much as digits as its factorization.

36201220309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 28.

The spelling of 36201220309 in words is "thirty-six billion, two hundred one million, two hundred twenty thousand, three hundred nine".