13443162217 has 4 divisors (see below), whose sum is σ = 13549014016. Its totient is φ = 13337310420.

The previous prime is 13443162179. The next prime is 13443162241. The reversal of 13443162217 is 71226134431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 71226134431 = 41 ⋅1737222791.

It is a cyclic number.

It is not a de Polignac number, because 13443162217 - 2¹¹ = 13443160169 is a prime.

It is a super-2 number, since 2×13443162217² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13443162247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52925709 + ... + 52925962.

It is an arithmetic number, because the mean of its divisors is an integer number (3387253504).

Almost surely, 2^13443162217 is an apocalyptic number.

It is an amenable number.

13443162217 is a deficient number, since it is larger than the sum of its proper divisors (105851799).

13443162217 is a wasteful number, since it uses less digits than its factorization.

13443162217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105851798.

The product of its digits is 24192, while the sum is 34.

Adding to 13443162217 its reverse (71226134431), we get a palindrome (84669296648).

The spelling of 13443162217 in words is "thirteen billion, four hundred forty-three million, one hundred sixty-two thousand, two hundred seventeen".