13488221689 has 2 divisors, whose sum is σ = 13488221690. Its totient is φ = 13488221688.

The previous prime is 13488221653. The next prime is 13488221711. The reversal of 13488221689 is 98612288431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10939486464 + 2548735225 = 104592^2 + 50485^2 .

It is a cyclic number.

It is not a de Polignac number, because 13488221689 - 2⁷ = 13488221561 is a prime.

It is a super-2 number, since 2×13488221689² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13488224689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6744110844 + 6744110845.

It is an arithmetic number, because the mean of its divisors is an integer number (6744110845).

Almost surely, 2^13488221689 is an apocalyptic number.

It is an amenable number.

13488221689 is a deficient number, since it is larger than the sum of its proper divisors (1).

13488221689 is an equidigital number, since it uses as much as digits as its factorization.

13488221689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1327104, while the sum is 52.

The spelling of 13488221689 in words is "thirteen billion, four hundred eighty-eight million, two hundred twenty-one thousand, six hundred eighty-nine".