13113432209 has 2 divisors, whose sum is σ = 13113432210. Its totient is φ = 13113432208.

The previous prime is 13113432191. The next prime is 13113432253. The reversal of 13113432209 is 90223431131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10540102225 + 2573329984 = 102665^2 + 50728^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13113432209 is a prime.

It is not a weakly prime, because it can be changed into another prime (13113432509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6556716104 + 6556716105.

It is an arithmetic number, because the mean of its divisors is an integer number (6556716105).

Almost surely, 2^13113432209 is an apocalyptic number.

It is an amenable number.

13113432209 is a deficient number, since it is larger than the sum of its proper divisors (1).

13113432209 is an equidigital number, since it uses as much as digits as its factorization.

13113432209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 29.

The spelling of 13113432209 in words is "thirteen billion, one hundred thirteen million, four hundred thirty-two thousand, two hundred nine".