13609477169 has 4 divisors (see below), whose sum is σ = 13618141680. Its totient is φ = 13600812660.

The previous prime is 13609477153. The next prime is 13609477207. The reversal of 13609477169 is 96177490631.

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: 96177490631 = 193 ⋅498328967.

It is a cyclic number.

It is not a de Polignac number, because 13609477169 - 2⁴ = 13609477153 is a prime.

It is a super-2 number, since 2×13609477169² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13609477169.

It is not an unprimeable number, because it can be changed into a prime (13609477139) 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, 4329899 + ... + 4333040.

It is an arithmetic number, because the mean of its divisors is an integer number (3404535420).

Almost surely, 2^13609477169 is an apocalyptic number.

It is an amenable number.

13609477169 is a deficient number, since it is larger than the sum of its proper divisors (8664511).

13609477169 is an equidigital number, since it uses as much as digits as its factorization.

13609477169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8664510.

The product of its (nonzero) digits is 1714608, while the sum is 53.

The spelling of 13609477169 in words is "thirteen billion, six hundred nine million, four hundred seventy-seven thousand, one hundred sixty-nine".