13453533343 has 4 divisors (see below), whose sum is σ = 13490191840. Its totient is φ = 13416874848.

The previous prime is 13453533337. The next prime is 13453533361. The reversal of 13453533343 is 34333535431.

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

It is a cyclic number.

It is not a de Polignac number, because 13453533343 - 2⁵ = 13453533311 is a prime.

It is a super-2 number, since 2×13453533343² (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 (13453533323) 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, 18328698 + ... + 18329431.

It is an arithmetic number, because the mean of its divisors is an integer number (3372547960).

Almost surely, 2^13453533343 is an apocalyptic number.

13453533343 is a deficient number, since it is larger than the sum of its proper divisors (36658497).

13453533343 is an equidigital number, since it uses as much as digits as its factorization.

13453533343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36658496.

The product of its digits is 291600, while the sum is 37.

The spelling of 13453533343 in words is "thirteen billion, four hundred fifty-three million, five hundred thirty-three thousand, three hundred forty-three".