18754688013 has 16 divisors (see below), whose sum is σ = 25053251136. Its totient is φ = 12479650560.

The previous prime is 18754687999. The next prime is 18754688033. The reversal of 18754688013 is 31088645781.

It is a happy number.

It is not a de Polignac number, because 18754688013 - 2⁶ = 18754687949 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18754688033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5285706 + ... + 5289252.

It is an arithmetic number, because the mean of its divisors is an integer number (1565828196).

Almost surely, 2^18754688013 is an apocalyptic number.

It is an amenable number.

18754688013 is a deficient number, since it is larger than the sum of its proper divisors (6298563123).

18754688013 is a wasteful number, since it uses less digits than its factorization.

18754688013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6364.

The product of its (nonzero) digits is 1290240, while the sum is 51.

The spelling of 18754688013 in words is "eighteen billion, seven hundred fifty-four million, six hundred eighty-eight thousand, thirteen".