13305330533 has 12 divisors (see below), whose sum is σ = 14830331712. Its totient is φ = 11838376920.

The previous prime is 13305330509. The next prime is 13305330581. The reversal of 13305330533 is 33503350331.

It is not a de Polignac number, because 13305330533 - 2¹⁴ = 13305314149 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13305330496 and 13305330505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13305330503) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 249485 + ... + 298082.

It is an arithmetic number, because the mean of its divisors is an integer number (1235860976).

Almost surely, 2^13305330533 is an apocalyptic number.

It is an amenable number.

13305330533 is a deficient number, since it is larger than the sum of its proper divisors (1525001179).

13305330533 is an equidigital number, since it uses as much as digits as its factorization.

13305330533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547672 (or 547625 counting only the distinct ones).

The product of its (nonzero) digits is 18225, while the sum is 29.

Adding to 13305330533 its reverse (33503350331), we get a palindrome (46808680864).

The spelling of 13305330533 in words is "thirteen billion, three hundred five million, three hundred thirty thousand, five hundred thirty-three".