13204005533 has 4 divisors (see below), whose sum is σ = 13204266108. Its totient is φ = 13203744960.

The previous prime is 13204005517. The next prime is 13204005541. The reversal of 13204005533 is 33550040231.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 38278969 + 13165726564 = 6187^2 + 114742^2 .

It is a cyclic number.

It is not a de Polignac number, because 13204005533 - 2⁴ = 13204005517 is a prime.

It is a super-2 number, since 2×13204005533² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13204005833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26966 + ... + 164727.

It is an arithmetic number, because the mean of its divisors is an integer number (3301066527).

Almost surely, 2^13204005533 is an apocalyptic number.

It is an amenable number.

13204005533 is a deficient number, since it is larger than the sum of its proper divisors (260575).

13204005533 is an equidigital number, since it uses as much as digits as its factorization.

13204005533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260574.

The product of its (nonzero) digits is 5400, while the sum is 26.

Adding to 13204005533 its reverse (33550040231), we get a palindrome (46754045764).

The spelling of 13204005533 in words is "thirteen billion, two hundred four million, five thousand, five hundred thirty-three".