13543434530 has 16 divisors (see below), whose sum is σ = 24671896704. Its totient is φ = 5352103920.

The previous prime is 13543434491. The next prime is 13543434533. The reversal of 13543434530 is 3543434531.

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 7 ways as a sum of consecutive naturals, for example, 8157866 + ... + 8159525.

It is an arithmetic number, because the mean of its divisors is an integer number (1541993544).

Almost surely, 2^13543434530 is an apocalyptic number.

13543434530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13543434530 is a deficient number, since it is larger than the sum of its proper divisors (11128462174).

13543434530 is a wasteful number, since it uses less digits than its factorization.

13543434530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16317481.

The product of its (nonzero) digits is 129600, while the sum is 35.

Subtracting from 13543434530 its reverse (3543434531), we obtain a palindrome (9999999999).

The spelling of 13543434530 in words is "thirteen billion, five hundred forty-three million, four hundred thirty-four thousand, five hundred thirty".