36221765653 has 2 divisors, whose sum is σ = 36221765654. Its totient is φ = 36221765652.

The previous prime is 36221765651. The next prime is 36221765681. The reversal of 36221765653 is 35656712263.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19897359364 + 16324406289 = 141058^2 + 127767^2 .

It is an emirp because it is prime and its reverse (35656712263) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36221765653 - 2¹ = 36221765651 is a prime.

Together with 36221765651, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36221765651) 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, 18110882826 + 18110882827.

It is an arithmetic number, because the mean of its divisors is an integer number (18110882827).

Almost surely, 2^36221765653 is an apocalyptic number.

It is an amenable number.

36221765653 is a deficient number, since it is larger than the sum of its proper divisors (1).

36221765653 is an equidigital number, since it uses as much as digits as its factorization.

36221765653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1360800, while the sum is 46.

The spelling of 36221765653 in words is "thirty-six billion, two hundred twenty-one million, seven hundred sixty-five thousand, six hundred fifty-three".