636090000017 has 2 divisors, whose sum is σ = 636090000018. Its totient is φ = 636090000016.

The previous prime is 636089999921. The next prime is 636090000023. The reversal of 636090000017 is 710000090636.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 562476000256 + 73613999761 = 749984^2 + 271319^2 .

It is a cyclic number.

It is not a de Polignac number, because 636090000017 - 2¹² = 636089995921 is a prime.

It is a super-2 number, since 2×636090000017² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (636090000097) 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, 318045000008 + 318045000009.

It is an arithmetic number, because the mean of its divisors is an integer number (318045000009).

Almost surely, 2^636090000017 is an apocalyptic number.

It is an amenable number.

636090000017 is a deficient number, since it is larger than the sum of its proper divisors (1).

636090000017 is an equidigital number, since it uses as much as digits as its factorization.

636090000017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 32.

The spelling of 636090000017 in words is "six hundred thirty-six billion, ninety million, seventeen", and thus it is an aban number.