13243323277 has 2 divisors, whose sum is σ = 13243323278. Its totient is φ = 13243323276.

The previous prime is 13243323259. The next prime is 13243323293. The reversal of 13243323277 is 77232334231.

13243323277 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7067092356 + 6176230921 = 84066^2 + 78589^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13243323277 is a prime.

It is a super-2 number, since 2×13243323277² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13243323257) 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 as a sum of consecutive naturals, namely, 6621661638 + 6621661639.

It is an arithmetic number, because the mean of its divisors is an integer number (6621661639).

Almost surely, 2^13243323277 is an apocalyptic number.

It is an amenable number.

13243323277 is a deficient number, since it is larger than the sum of its proper divisors (1).

13243323277 is an equidigital number, since it uses as much as digits as its factorization.

13243323277 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 127008, while the sum is 37.

The spelling of 13243323277 in words is "thirteen billion, two hundred forty-three million, three hundred twenty-three thousand, two hundred seventy-seven".