13563638886313 has 8 divisors (see below), whose sum is σ = 13570378661376. Its totient is φ = 13556899524000.

The previous prime is 13563638886311. The next prime is 13563638886319. The reversal of 13563638886313 is 31368883636531.

13563638886313 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 a cyclic number.

It is not a de Polignac number, because 13563638886313 - 2¹ = 13563638886311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13563638886311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81453088 + ... + 81619438.

It is an arithmetic number, because the mean of its divisors is an integer number (1696297332672).

Almost surely, 2^{13563638886313} is an apocalyptic number.

It is an amenable number.

13563638886313 is a deficient number, since it is larger than the sum of its proper divisors (6739775063).

13563638886313 is a wasteful number, since it uses less digits than its factorization.

13563638886313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206375.

The product of its digits is 134369280, while the sum is 64.

The spelling of 13563638886313 in words is "thirteen trillion, five hundred sixty-three billion, six hundred thirty-eight million, eight hundred eighty-six thousand, three hundred thirteen".