13680332863 has 4 divisors (see below), whose sum is σ = 14275129968. Its totient is φ = 13085535760.

The previous prime is 13680332851. The next prime is 13680332867. The reversal of 13680332863 is 36823308631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36823308631 = 42019 ⋅876349.

It is a cyclic number.

It is not a de Polignac number, because 13680332863 - 2¹⁷ = 13680201791 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 (13680332867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297398518 + ... + 297398563.

It is an arithmetic number, because the mean of its divisors is an integer number (3568782492).

Almost surely, 2^13680332863 is an apocalyptic number.

13680332863 is a deficient number, since it is larger than the sum of its proper divisors (594797105).

13680332863 is an equidigital number, since it uses as much as digits as its factorization.

13680332863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594797104.

The product of its (nonzero) digits is 373248, while the sum is 43.

The spelling of 13680332863 in words is "thirteen billion, six hundred eighty million, three hundred thirty-two thousand, eight hundred sixty-three".