36656597849 has 2 divisors, whose sum is σ = 36656597850. Its totient is φ = 36656597848.

The previous prime is 36656597843. The next prime is 36656597863. The reversal of 36656597849 is 94879565663.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22750292224 + 13906305625 = 150832^2 + 117925^2 .

It is a cyclic number.

It is not a de Polignac number, because 36656597849 - 2⁴ = 36656597833 is a prime.

It is a super-2 number, since 2×36656597849² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (36656597843) 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, 18328298924 + 18328298925.

It is an arithmetic number, because the mean of its divisors is an integer number (18328298925).

Almost surely, 2^36656597849 is an apocalyptic number.

It is an amenable number.

36656597849 is a deficient number, since it is larger than the sum of its proper divisors (1).

36656597849 is an equidigital number, since it uses as much as digits as its factorization.

36656597849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 293932800, while the sum is 68.

The spelling of 36656597849 in words is "thirty-six billion, six hundred fifty-six million, five hundred ninety-seven thousand, eight hundred forty-nine".