13208468289 has 4 divisors (see below), whose sum is σ = 17611291056. Its totient is φ = 8805645524.

The previous prime is 13208468281. The next prime is 13208468293. The reversal of 13208468289 is 98286480231.

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.

It is a cyclic number.

It is not a de Polignac number, because 13208468289 - 2³ = 13208468281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13208468281) 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, 2201411379 + ... + 2201411384.

It is an arithmetic number, because the mean of its divisors is an integer number (4402822764).

Almost surely, 2^13208468289 is an apocalyptic number.

It is an amenable number.

13208468289 is a deficient number, since it is larger than the sum of its proper divisors (4402822767).

13208468289 is an equidigital number, since it uses as much as digits as its factorization.

13208468289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4402822766.

The product of its (nonzero) digits is 1327104, while the sum is 51.

The spelling of 13208468289 in words is "thirteen billion, two hundred eight million, four hundred sixty-eight thousand, two hundred eighty-nine".