13533474439 has 4 divisors (see below), whose sum is σ = 13538247624. Its totient is φ = 13528701256.

The previous prime is 13533474431. The next prime is 13533474443. The reversal of 13533474439 is 93447433531.

13533474439 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93447433531 = 157 ⋅595206583.

It is a cyclic number.

It is not a de Polignac number, because 13533474439 - 2³ = 13533474431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13533474431) 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 in 3 ways as a sum of consecutive naturals, for example, 2382337 + ... + 2388010.

It is an arithmetic number, because the mean of its divisors is an integer number (3384561906).

Almost surely, 2^13533474439 is an apocalyptic number.

13533474439 is a deficient number, since it is larger than the sum of its proper divisors (4773185).

13533474439 is an equidigital number, since it uses as much as digits as its factorization.

13533474439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4773184.

The product of its digits is 1632960, while the sum is 46.

The spelling of 13533474439 in words is "thirteen billion, five hundred thirty-three million, four hundred seventy-four thousand, four hundred thirty-nine".