13243046543 has 16 divisors (see below), whose sum is σ = 13444704000. Its totient is φ = 13043370240.

The previous prime is 13243046521. The next prime is 13243046567. The reversal of 13243046543 is 34564034231.

It is a cyclic number.

It is not a de Polignac number, because 13243046543 - 2⁸ = 13243046287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13243040543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15344930 + ... + 15345792.

It is an arithmetic number, because the mean of its divisors is an integer number (840294000).

Almost surely, 2^13243046543 is an apocalyptic number.

13243046543 is a deficient number, since it is larger than the sum of its proper divisors (201657457).

13243046543 is a wasteful number, since it uses less digits than its factorization.

13243046543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1762.

The product of its (nonzero) digits is 103680, while the sum is 35.

The spelling of 13243046543 in words is "thirteen billion, two hundred forty-three million, forty-six thousand, five hundred forty-three".