13533324345 has 32 divisors (see below), whose sum is σ = 24180192000. Its totient is φ = 7181488512.

The previous prime is 13533324263. The next prime is 13533324373. The reversal of 13533324345 is 54342333531.

13533324345 is a `hidden beast` number, since 13 + 533 + 32 + 43 + 45 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-13533324345 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 225012 + ... + 278741.

It is an arithmetic number, because the mean of its divisors is an integer number (755631000).

Almost surely, 2^13533324345 is an apocalyptic number.

13533324345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13533324345 is a deficient number, since it is larger than the sum of its proper divisors (10646867655).

13533324345 is a wasteful number, since it uses less digits than its factorization.

13533324345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503966 (or 503960 counting only the distinct ones).

The product of its digits is 194400, while the sum is 36.

Adding to 13533324345 its reverse (54342333531), we get a palindrome (67875657876).

The spelling of 13533324345 in words is "thirteen billion, five hundred thirty-three million, three hundred twenty-four thousand, three hundred forty-five".