13543314543 has 24 divisors (see below), whose sum is σ = 21448252800. Its totient is φ = 8166810960.

The previous prime is 13543314527. The next prime is 13543314557. The reversal of 13543314543 is 34541334531.

13543314543 is a `hidden beast` number, since 1 + 3 + 543 + 31 + 45 + 43 = 666.

It is not a de Polignac number, because 13543314543 - 2⁴ = 13543314527 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13543314498 and 13543314507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13543314583) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 324021 + ... + 363422.

It is an arithmetic number, because the mean of its divisors is an integer number (893677200).

Almost surely, 2^13543314543 is an apocalyptic number.

13543314543 is a deficient number, since it is larger than the sum of its proper divisors (7904938257).

13543314543 is a wasteful number, since it uses less digits than its factorization.

13543314543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687659 (or 687656 counting only the distinct ones).

The product of its digits is 129600, while the sum is 36.

The spelling of 13543314543 in words is "thirteen billion, five hundred forty-three million, three hundred fourteen thousand, five hundred forty-three".