13542033543 has 4 divisors (see below), whose sum is σ = 18056044728. Its totient is φ = 9028022360.

The previous prime is 13542033511. The next prime is 13542033563. The reversal of 13542033543 is 34533024531.

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 13542033543 - 2⁵ = 13542033511 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13542033563) 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, 2257005588 + ... + 2257005593.

It is an arithmetic number, because the mean of its divisors is an integer number (4514011182).

Almost surely, 2^13542033543 is an apocalyptic number.

13542033543 is a deficient number, since it is larger than the sum of its proper divisors (4514011185).

13542033543 is an equidigital number, since it uses as much as digits as its factorization.

13542033543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4514011184.

The product of its (nonzero) digits is 64800, while the sum is 33.

The spelling of 13542033543 in words is "thirteen billion, five hundred forty-two million, thirty-three thousand, five hundred forty-three".