13243353352553 has 4 divisors (see below), whose sum is σ = 13243366713600. Its totient is φ = 13243339991508.

The previous prime is 13243353352513. The next prime is 13243353352591. The reversal of 13243353352553 is 35525335334231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13243353352553 - 2³⁶ = 13174633875817 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13243353352498 and 13243353352507.

It is not an unprimeable number, because it can be changed into a prime (13243353352513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5063225 + ... + 7219622.

It is an arithmetic number, because the mean of its divisors is an integer number (3310841678400).

Almost surely, 2^{13243353352553} is an apocalyptic number.

It is an amenable number.

13243353352553 is a deficient number, since it is larger than the sum of its proper divisors (13361047).

13243353352553 is a wasteful number, since it uses less digits than its factorization.

13243353352553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13361046.

The product of its digits is 7290000, while the sum is 47.

Adding to 13243353352553 its reverse (35525335334231), we get a palindrome (48768688686784).

The spelling of 13243353352553 in words is "thirteen trillion, two hundred forty-three billion, three hundred fifty-three million, three hundred fifty-two thousand, five hundred fifty-three".