13173327689 has 2 divisors, whose sum is σ = 13173327690. Its totient is φ = 13173327688.

The previous prime is 13173327637. The next prime is 13173327701. The reversal of 13173327689 is 98672337131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12889742089 + 283585600 = 113533^2 + 16840^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13173327689 is a prime.

It is not a weakly prime, because it can be changed into another prime (13173327619) 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 as a sum of consecutive naturals, namely, 6586663844 + 6586663845.

It is an arithmetic number, because the mean of its divisors is an integer number (6586663845).

Almost surely, 2^13173327689 is an apocalyptic number.

It is an amenable number.

13173327689 is a deficient number, since it is larger than the sum of its proper divisors (1).

13173327689 is an equidigital number, since it uses as much as digits as its factorization.

13173327689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1143072, while the sum is 50.

The spelling of 13173327689 in words is "thirteen billion, one hundred seventy-three million, three hundred twenty-seven thousand, six hundred eighty-nine".