13533330243 has 16 divisors (see below), whose sum is σ = 18100253600. Its totient is φ = 8994343680.

The previous prime is 13533330227. The next prime is 13533330247. The reversal of 13533330243 is 34203333531.

It is a happy number.

13533330243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13533330243 - 2⁴ = 13533330227 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13533330243.

It is not an unprimeable number, because it can be changed into a prime (13533330247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2781633 + ... + 2786493.

It is an arithmetic number, because the mean of its divisors is an integer number (1131265850).

Almost surely, 2^13533330243 is an apocalyptic number.

13533330243 is a deficient number, since it is larger than the sum of its proper divisors (4566923357).

13533330243 is a wasteful number, since it uses less digits than its factorization.

13533330243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7542.

The product of its (nonzero) digits is 29160, while the sum is 30.

Adding to 13533330243 its reverse (34203333531), we get a palindrome (47736663774).

The spelling of 13533330243 in words is "thirteen billion, five hundred thirty-three million, three hundred thirty thousand, two hundred forty-three".