13553215343 has 4 divisors (see below), whose sum is σ = 13642971888. Its totient is φ = 13463458800.

The previous prime is 13553215331. The next prime is 13553215349. The reversal of 13553215343 is 34351235531.

It is a happy number.

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 13553215343 - 2⁴ = 13553215327 is a prime.

It is a super-2 number, since 2×13553215343² (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 (13553215349) 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, 44878046 + ... + 44878347.

It is an arithmetic number, because the mean of its divisors is an integer number (3410742972).

Almost surely, 2^13553215343 is an apocalyptic number.

13553215343 is a deficient number, since it is larger than the sum of its proper divisors (89756545).

13553215343 is an equidigital number, since it uses as much as digits as its factorization.

13553215343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89756544.

The product of its digits is 81000, while the sum is 35.

The spelling of 13553215343 in words is "thirteen billion, five hundred fifty-three million, two hundred fifteen thousand, three hundred forty-three".