13453531447 has 2 divisors, whose sum is σ = 13453531448. Its totient is φ = 13453531446.

The previous prime is 13453531397. The next prime is 13453531471. The reversal of 13453531447 is 74413535431.

It is a happy number.

13453531447 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 is a cyclic number.

It is not a de Polignac number, because 13453531447 - 2³¹ = 11306047799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13453531547) 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, 6726765723 + 6726765724.

It is an arithmetic number, because the mean of its divisors is an integer number (6726765724).

Almost surely, 2^13453531447 is an apocalyptic number.

13453531447 is a deficient number, since it is larger than the sum of its proper divisors (1).

13453531447 is an equidigital number, since it uses as much as digits as its factorization.

13453531447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 302400, while the sum is 40.

The spelling of 13453531447 in words is "thirteen billion, four hundred fifty-three million, five hundred thirty-one thousand, four hundred forty-seven".