13666630235033 has 2 divisors, whose sum is σ = 13666630235034. Its totient is φ = 13666630235032.

The previous prime is 13666630235003. The next prime is 13666630235051. The reversal of 13666630235033 is 33053203666631.

It is a happy number.

13666630235033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10015978028809 + 3650652206224 = 3164803^2 + 1910668^2 .

It is an emirp because it is prime and its reverse (33053203666631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13666630235033 - 2¹⁰ = 13666630234009 is a prime.

It is a super-2 number, since 2×13666630235033² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13666630235003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6833315117516 + 6833315117517.

It is an arithmetic number, because the mean of its divisors is an integer number (6833315117517).

Almost surely, 2^{13666630235033} is an apocalyptic number.

It is an amenable number.

13666630235033 is a deficient number, since it is larger than the sum of its proper divisors (1).

13666630235033 is an equidigital number, since it uses as much as digits as its factorization.

13666630235033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3149280, while the sum is 47.

The spelling of 13666630235033 in words is "thirteen trillion, six hundred sixty-six billion, six hundred thirty million, two hundred thirty-five thousand, thirty-three".