13533543345 has 64 divisors (see below), whose sum is σ = 27581921280. Its totient is φ = 5516356608.

The previous prime is 13533543293. The next prime is 13533543403. The reversal of 13533543345 is 54334533531.

It is not a de Polignac number, because 13533543345 - 2⁹ = 13533542833 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 165607 + ... + 233436.

It is an arithmetic number, because the mean of its divisors is an integer number (430967520).

Almost surely, 2^13533543345 is an apocalyptic number.

13533543345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13533543345 is an abundant number, since it is smaller than the sum of its proper divisors (14048377935).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13533543345 is a wasteful number, since it uses less digits than its factorization.

13533543345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399094.

The product of its digits is 486000, while the sum is 39.

The spelling of 13533543345 in words is "thirteen billion, five hundred thirty-three million, five hundred forty-three thousand, three hundred forty-five".