36628205609 has 2 divisors, whose sum is σ = 36628205610. Its totient is φ = 36628205608.

The previous prime is 36628205597. The next prime is 36628205633. The reversal of 36628205609 is 90650282663.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19099240000 + 17528965609 = 138200^2 + 132397^2 .

It is an emirp because it is prime and its reverse (90650282663) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36628205609 - 2²⁴ = 36611428393 is a prime.

It is a super-2 number, since 2×36628205609² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (36628205639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18314102804 + 18314102805.

It is an arithmetic number, because the mean of its divisors is an integer number (18314102805).

Almost surely, 2^36628205609 is an apocalyptic number.

It is an amenable number.

36628205609 is a deficient number, since it is larger than the sum of its proper divisors (1).

36628205609 is an equidigital number, since it uses as much as digits as its factorization.

36628205609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 933120, while the sum is 47.

The spelling of 36628205609 in words is "thirty-six billion, six hundred twenty-eight million, two hundred five thousand, six hundred nine".