12654413543 has 4 divisors (see below), whose sum is σ = 12707361120. Its totient is φ = 12601465968.

The previous prime is 12654413531. The next prime is 12654413591. The reversal of 12654413543 is 34531445621.

12654413543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12654413543 - 2⁸ = 12654413287 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12654413497 and 12654413506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12654413503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26473430 + ... + 26473907.

It is an arithmetic number, because the mean of its divisors is an integer number (3176840280).

Almost surely, 2^12654413543 is an apocalyptic number.

12654413543 is a deficient number, since it is larger than the sum of its proper divisors (52947577).

12654413543 is an equidigital number, since it uses as much as digits as its factorization.

12654413543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52947576.

The product of its digits is 172800, while the sum is 38.

The spelling of 12654413543 in words is "twelve billion, six hundred fifty-four million, four hundred thirteen thousand, five hundred forty-three".