13706540543 has 4 divisors (see below), whose sum is σ = 13709965200. Its totient is φ = 13703115888.

The previous prime is 13706540509. The next prime is 13706540563. The reversal of 13706540543 is 34504560731.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13706540543 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13706540497 and 13706540506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13706540563) 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, 1706318 + ... + 1714331.

It is an arithmetic number, because the mean of its divisors is an integer number (3427491300).

Almost surely, 2^13706540543 is an apocalyptic number.

13706540543 is a deficient number, since it is larger than the sum of its proper divisors (3424657).

13706540543 is an equidigital number, since it uses as much as digits as its factorization.

13706540543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3424656.

The product of its (nonzero) digits is 151200, while the sum is 38.

The spelling of 13706540543 in words is "thirteen billion, seven hundred six million, five hundred forty thousand, five hundred forty-three".