18918754853 has 8 divisors (see below), whose sum is σ = 19987534080. Its totient is φ = 17877736240.

The previous prime is 18918754847. The next prime is 18918754871. The reversal of 18918754853 is 35845781981.

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 18918754853 - 2¹⁰ = 18918753829 is a prime.

It is a super-2 number, since 2×18918754853² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18918754792 and 18918754801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18918754843) 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, 6938753 + ... + 6941478.

It is an arithmetic number, because the mean of its divisors is an integer number (2498441760).

Almost surely, 2^18918754853 is an apocalyptic number.

It is an amenable number.

18918754853 is a deficient number, since it is larger than the sum of its proper divisors (1068779227).

18918754853 is a wasteful number, since it uses less digits than its factorization.

18918754853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13880307.

The product of its digits is 9676800, while the sum is 59.

The spelling of 18918754853 in words is "eighteen billion, nine hundred eighteen million, seven hundred fifty-four thousand, eight hundred fifty-three".