13678733233663 has 4 divisors (see below), whose sum is σ = 13682301913008. Its totient is φ = 13675164554320.

The previous prime is 13678733233661. The next prime is 13678733233751. The reversal of 13678733233663 is 36633233787631.

It is a happy number.

13678733233663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13678733233663 - 2¹ = 13678733233661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13678733233661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1784333923 + ... + 1784341588.

It is an arithmetic number, because the mean of its divisors is an integer number (3420575478252).

Almost surely, 2^{13678733233663} is an apocalyptic number.

13678733233663 is a deficient number, since it is larger than the sum of its proper divisors (3568679345).

13678733233663 is an equidigital number, since it uses as much as digits as its factorization.

13678733233663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3568679344.

The product of its digits is 123451776, while the sum is 61.

The spelling of 13678733233663 in words is "thirteen trillion, six hundred seventy-eight billion, seven hundred thirty-three million, two hundred thirty-three thousand, six hundred sixty-three".