13452443269 has 2 divisors, whose sum is σ = 13452443270. Its totient is φ = 13452443268.

The previous prime is 13452443219. The next prime is 13452443309. The reversal of 13452443269 is 96234425431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10287030625 + 3165412644 = 101425^2 + 56262^2 .

It is a cyclic number.

It is not a de Polignac number, because 13452443269 - 2¹³ = 13452435077 is a prime.

It is a super-2 number, since 2×13452443269² (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 (13452443219) 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, 6726221634 + 6726221635.

It is an arithmetic number, because the mean of its divisors is an integer number (6726221635).

Almost surely, 2^13452443269 is an apocalyptic number.

It is an amenable number.

13452443269 is a deficient number, since it is larger than the sum of its proper divisors (1).

13452443269 is an equidigital number, since it uses as much as digits as its factorization.

13452443269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 622080, while the sum is 43.

The spelling of 13452443269 in words is "thirteen billion, four hundred fifty-two million, four hundred forty-three thousand, two hundred sixty-nine".