13553332043 has 4 divisors (see below), whose sum is σ = 13563291768. Its totient is φ = 13543372320.

The previous prime is 13553332021. The next prime is 13553332063. The reversal of 13553332043 is 34023335531.

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 13553332043 - 2¹² = 13553327947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13553332063) 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, 4977821 + ... + 4980542.

It is an arithmetic number, because the mean of its divisors is an integer number (3390822942).

Almost surely, 2^13553332043 is an apocalyptic number.

13553332043 is a deficient number, since it is larger than the sum of its proper divisors (9959725).

13553332043 is an equidigital number, since it uses as much as digits as its factorization.

13553332043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9959724.

The product of its (nonzero) digits is 48600, while the sum is 32.

Adding to 13553332043 its reverse (34023335531), we get a palindrome (47576667574).

The spelling of 13553332043 in words is "thirteen billion, five hundred fifty-three million, three hundred thirty-two thousand, forty-three".