13427785235243 has 8 divisors (see below), whose sum is σ = 14135305605120. Its totient is φ = 12720344348520.

The previous prime is 13427785235239. The next prime is 13427785235273. The reversal of 13427785235243 is 34253258772431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13427785235243 - 2² = 13427785235239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13427785235273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19523855 + ... + 20199912.

It is an arithmetic number, because the mean of its divisors is an integer number (1766913200640).

Almost surely, 2^{13427785235243} is an apocalyptic number.

13427785235243 is a deficient number, since it is larger than the sum of its proper divisors (707520369877).

13427785235243 is a wasteful number, since it uses less digits than its factorization.

13427785235243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39741577.

The product of its digits is 33868800, while the sum is 56.

The spelling of 13427785235243 in words is "thirteen trillion, four hundred twenty-seven billion, seven hundred eighty-five million, two hundred thirty-five thousand, two hundred forty-three".