13243563169 has 4 divisors (see below), whose sum is σ = 13290360496. Its totient is φ = 13196765844.

The previous prime is 13243563127. The next prime is 13243563199. The reversal of 13243563169 is 96136534231.

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: 96136534231 = 769 ⋅125014999.

It is a cyclic number.

It is not a de Polignac number, because 13243563169 - 2¹³ = 13243554977 is a prime.

It is a super-2 number, since 2×13243563169² (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 (13243563199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23398239 + ... + 23398804.

It is an arithmetic number, because the mean of its divisors is an integer number (3322590124).

Almost surely, 2^13243563169 is an apocalyptic number.

It is an amenable number.

13243563169 is a deficient number, since it is larger than the sum of its proper divisors (46797327).

13243563169 is an equidigital number, since it uses as much as digits as its factorization.

13243563169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46797326.

The product of its digits is 349920, while the sum is 43.

The spelling of 13243563169 in words is "thirteen billion, two hundred forty-three million, five hundred sixty-three thousand, one hundred sixty-nine".