13208693109 has 8 divisors (see below), whose sum is σ = 17651347872. Its totient is φ = 8785916880.

The previous prime is 13208693093. The next prime is 13208693119. The reversal of 13208693109 is 90139680231.

13208693109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13208693109 - 2⁴ = 13208693093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13208693119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4968082 + ... + 4970739.

It is an arithmetic number, because the mean of its divisors is an integer number (2206418484).

Almost surely, 2^13208693109 is an apocalyptic number.

It is an amenable number.

13208693109 is a deficient number, since it is larger than the sum of its proper divisors (4442654763).

13208693109 is an equidigital number, since it uses as much as digits as its factorization.

13208693109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9939267.

The product of its (nonzero) digits is 69984, while the sum is 42.

The spelling of 13208693109 in words is "thirteen billion, two hundred eight million, six hundred ninety-three thousand, one hundred nine".