13618184949423 has 32 divisors (see below), whose sum is σ = 21052567687680. Its totient is φ = 8683935765120.

The previous prime is 13618184949409. The next prime is 13618184949497. The reversal of 13618184949423 is 32494948181631.

13618184949423 is a `hidden beast` number, since 1 + 3 + 6 + 1 + 81 + 8 + 49 + 494 + 23 = 666.

It is not a de Polignac number, because 13618184949423 - 2⁹ = 13618184948911 is a prime.

It is a super-2 number, since 2×13618184949423² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13618184949023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65231815 + ... + 65440247.

It is an arithmetic number, because the mean of its divisors is an integer number (657892740240).

Almost surely, 2^{13618184949423} is an apocalyptic number.

13618184949423 is a deficient number, since it is larger than the sum of its proper divisors (7434382738257).

13618184949423 is a wasteful number, since it uses less digits than its factorization.

13618184949423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313676 (or 313670 counting only the distinct ones).

The product of its digits is 35831808, while the sum is 63.

The spelling of 13618184949423 in words is "thirteen trillion, six hundred eighteen billion, one hundred eighty-four million, nine hundred forty-nine thousand, four hundred twenty-three".