13488779009 has 2 divisors, whose sum is σ = 13488779010. Its totient is φ = 13488779008.

The previous prime is 13488778999. The next prime is 13488779011. The reversal of 13488779009 is 90097788431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7113235600 + 6375543409 = 84340^2 + 79847^2 .

It is a cyclic number.

It is not a de Polignac number, because 13488779009 - 2¹² = 13488774913 is a prime.

It is a Sophie Germain prime.

Together with 13488779011, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (13488779069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6744389504 + 6744389505.

It is an arithmetic number, because the mean of its divisors is an integer number (6744389505).

Almost surely, 2^13488779009 is an apocalyptic number.

It is an amenable number.

13488779009 is a deficient number, since it is larger than the sum of its proper divisors (1).

13488779009 is an equidigital number, since it uses as much as digits as its factorization.

13488779009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3048192, while the sum is 56.

The spelling of 13488779009 in words is "thirteen billion, four hundred eighty-eight million, seven hundred seventy-nine thousand, nine".