36827817209 has 2 divisors, whose sum is σ = 36827817210. Its totient is φ = 36827817208.

The previous prime is 36827817151. The next prime is 36827817217. The reversal of 36827817209 is 90271872863.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25922610025 + 10905207184 = 161005^2 + 104428^2 .

It is an emirp because it is prime and its reverse (90271872863) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36827817209 - 2⁸ = 36827816953 is a prime.

It is not a weakly prime, because it can be changed into another prime (36827817239) 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, 18413908604 + 18413908605.

It is an arithmetic number, because the mean of its divisors is an integer number (18413908605).

Almost surely, 2^36827817209 is an apocalyptic number.

It is an amenable number.

36827817209 is a deficient number, since it is larger than the sum of its proper divisors (1).

36827817209 is an equidigital number, since it uses as much as digits as its factorization.

36827817209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2032128, while the sum is 53.

The spelling of 36827817209 in words is "thirty-six billion, eight hundred twenty-seven million, eight hundred seventeen thousand, two hundred nine".