5636552609 has 2 divisors, whose sum is σ = 5636552610. Its totient is φ = 5636552608.

The previous prime is 5636552557. The next prime is 5636552687. The reversal of 5636552609 is 9062556365.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4630394209 + 1006158400 = 68047^2 + 31720^2 .

It is a cyclic number.

It is not a de Polignac number, because 5636552609 - 2²⁰ = 5635504033 is a prime.

It is not a weakly prime, because it can be changed into another prime (5636555609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2818276304 + 2818276305.

It is an arithmetic number, because the mean of its divisors is an integer number (2818276305).

Almost surely, 2^5636552609 is an apocalyptic number.

It is an amenable number.

5636552609 is a deficient number, since it is larger than the sum of its proper divisors (1).

5636552609 is an equidigital number, since it uses as much as digits as its factorization.

5636552609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1458000, while the sum is 47.

The square root of 5636552609 is about 75076.9778893637. The cubic root of 5636552609 is about 1779.6633425716.

The spelling of 5636552609 in words is "five billion, six hundred thirty-six million, five hundred fifty-two thousand, six hundred nine".