13445433543 has 32 divisors (see below), whose sum is σ = 19526918400. Its totient is φ = 8201039616.

The previous prime is 13445433511. The next prime is 13445433611. The reversal of 13445433543 is 34533454431.

It is not a de Polignac number, because 13445433543 - 2⁵ = 13445433511 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13445433143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 187321 + ... + 248957.

It is an arithmetic number, because the mean of its divisors is an integer number (610216200).

Almost surely, 2^13445433543 is an apocalyptic number.

13445433543 is a deficient number, since it is larger than the sum of its proper divisors (6081484857).

13445433543 is a wasteful number, since it uses less digits than its factorization.

13445433543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61791.

The product of its digits is 518400, while the sum is 39.

Adding to 13445433543 its reverse (34533454431), we get a palindrome (47978887974).

The spelling of 13445433543 in words is "thirteen billion, four hundred forty-five million, four hundred thirty-three thousand, five hundred forty-three".