13543434532 has 12 divisors (see below), whose sum is σ = 23705764096. Its totient is φ = 6770359080.

The previous prime is 13543434491. The next prime is 13543434533. The reversal of 13543434532 is 23543434531.

It is a happy number.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 13543434491 and 13543434500.

It is not an unprimeable number, because it can be changed into a prime (13543434533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 316944 + ... + 357127.

Almost surely, 2^13543434532 is an apocalyptic number.

It is an amenable number.

13543434532 is a deficient number, since it is larger than the sum of its proper divisors (10162329564).

13543434532 is a wasteful number, since it uses less digits than its factorization.

13543434532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679098 (or 679096 counting only the distinct ones).

The product of its digits is 259200, while the sum is 37.

Subtracting 13543434532 from its reverse (23543434531), we obtain a palindrome (9999999999).

The spelling of 13543434532 in words is "thirteen billion, five hundred forty-three million, four hundred thirty-four thousand, five hundred thirty-two".