13433142449 has 2 divisors, whose sum is σ = 13433142450. Its totient is φ = 13433142448.

The previous prime is 13433142407. The next prime is 13433142473. The reversal of 13433142449 is 94424133431.

13433142449 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., 12226830625 + 1206311824 = 110575^2 + 34732^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13433142449 is a prime.

It is not a weakly prime, because it can be changed into another prime (13433142049) 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, 6716571224 + 6716571225.

It is an arithmetic number, because the mean of its divisors is an integer number (6716571225).

Almost surely, 2^13433142449 is an apocalyptic number.

It is an amenable number.

13433142449 is a deficient number, since it is larger than the sum of its proper divisors (1).

13433142449 is an equidigital number, since it uses as much as digits as its factorization.

13433142449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 38.

The spelling of 13433142449 in words is "thirteen billion, four hundred thirty-three million, one hundred forty-two thousand, four hundred forty-nine".