36075605821 has 2 divisors, whose sum is σ = 36075605822. Its totient is φ = 36075605820.

The previous prime is 36075605779. The next prime is 36075605833. The reversal of 36075605821 is 12850657063.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28630332025 + 7445273796 = 169205^2 + 86286^2 .

It is an emirp because it is prime and its reverse (12850657063) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36075605821 - 2¹⁷ = 36075474749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36075605921) 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, 18037802910 + 18037802911.

It is an arithmetic number, because the mean of its divisors is an integer number (18037802911).

Almost surely, 2^36075605821 is an apocalyptic number.

It is an amenable number.

36075605821 is a deficient number, since it is larger than the sum of its proper divisors (1).

36075605821 is an equidigital number, since it uses as much as digits as its factorization.

36075605821 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 302400, while the sum is 43.

The spelling of 36075605821 in words is "thirty-six billion, seventy-five million, six hundred five thousand, eight hundred twenty-one".