13665504363 has 8 divisors (see below), whose sum is σ = 20823625728. Its totient is φ = 7808859624.

The previous prime is 13665504341. The next prime is 13665504389. The reversal of 13665504363 is 36340556631.

13665504363 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13665504363 - 2⁶ = 13665504299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13665504263) 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 in 7 ways as a sum of consecutive naturals, for example, 325369131 + ... + 325369172.

It is an arithmetic number, because the mean of its divisors is an integer number (2602953216).

Almost surely, 2^13665504363 is an apocalyptic number.

13665504363 is a deficient number, since it is larger than the sum of its proper divisors (7158121365).

13665504363 is an equidigital number, since it uses as much as digits as its factorization.

13665504363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650738313.

The product of its (nonzero) digits is 583200, while the sum is 42.

The spelling of 13665504363 in words is "thirteen billion, six hundred sixty-five million, five hundred four thousand, three hundred sixty-three".