13354513644443 has 4 divisors (see below), whose sum is σ = 13436443176168. Its totient is φ = 13272584112720.

The previous prime is 13354513644371. The next prime is 13354513644449. The reversal of 13354513644443 is 34444631545331.

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 13354513644443 - 2¹⁸ = 13354513382299 is a prime.

It is a super-2 number, since 2×13354513644443² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13354513644391 and 13354513644400.

It is not an unprimeable number, because it can be changed into a prime (13354513644449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40964765618 + ... + 40964765943.

It is an arithmetic number, because the mean of its divisors is an integer number (3359110794042).

Almost surely, 2^{13354513644443} is an apocalyptic number.

13354513644443 is a deficient number, since it is larger than the sum of its proper divisors (81929531725).

13354513644443 is an equidigital number, since it uses as much as digits as its factorization.

13354513644443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81929531724.

The product of its digits is 12441600, while the sum is 50.

The spelling of 13354513644443 in words is "thirteen trillion, three hundred fifty-four billion, five hundred thirteen million, six hundred forty-four thousand, four hundred forty-three".