13220364648863 has 8 divisors (see below), whose sum is σ = 13236750409536. Its totient is φ = 13203979578400.

The previous prime is 13220364648809. The next prime is 13220364648899. The reversal of 13220364648863 is 36884646302231.

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 13220364648863 - 2⁸ = 13220364648607 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13220364648799 and 13220364648808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13220364648263) 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 7 ways as a sum of consecutive naturals, for example, 45686453 + ... + 45974913.

It is an arithmetic number, because the mean of its divisors is an integer number (1654593801192).

Almost surely, 2^{13220364648863} is an apocalyptic number.

13220364648863 is a deficient number, since it is larger than the sum of its proper divisors (16385760673).

13220364648863 is an equidigital number, since it uses as much as digits as its factorization.

13220364648863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345105.

The product of its (nonzero) digits is 23887872, while the sum is 56.

The spelling of 13220364648863 in words is "thirteen trillion, two hundred twenty billion, three hundred sixty-four million, six hundred forty-eight thousand, eight hundred sixty-three".