3668536853633 has 2 divisors, whose sum is σ = 3668536853634. Its totient is φ = 3668536853632.

The previous prime is 3668536853617. The next prime is 3668536853743. The reversal of 3668536853633 is 3363586358663.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3288448574464 + 380088279169 = 1813408^2 + 616513^2 .

It is an emirp because it is prime and its reverse (3363586358663) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3668536853633 - 2⁴ = 3668536853617 is a prime.

It is a super-2 number, since 2×3668536853633² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3668536853633.

It is not a weakly prime, because it can be changed into another prime (3668536813633) 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, 1834268426816 + 1834268426817.

It is an arithmetic number, because the mean of its divisors is an integer number (1834268426817).

Almost surely, 2^{3668536853633} is an apocalyptic number.

It is an amenable number.

3668536853633 is a deficient number, since it is larger than the sum of its proper divisors (1).

3668536853633 is an equidigital number, since it uses as much as digits as its factorization.

3668536853633 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 503884800, while the sum is 65.

The spelling of 3668536853633 in words is "three trillion, six hundred sixty-eight billion, five hundred thirty-six million, eight hundred fifty-three thousand, six hundred thirty-three".