18853706422 has 16 divisors (see below), whose sum is σ = 30103498800. Its totient is φ = 8830356480.

The previous prime is 18853706419. The next prime is 18853706429. The reversal of 18853706422 is 22460735881.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18853706429) 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, 2783979 + ... + 2790742.

It is an arithmetic number, because the mean of its divisors is an integer number (1881468675).

Almost surely, 2^18853706422 is an apocalyptic number.

18853706422 is a deficient number, since it is larger than the sum of its proper divisors (11249792378).

18853706422 is a wasteful number, since it uses less digits than its factorization.

18853706422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5574831.

The product of its (nonzero) digits is 645120, while the sum is 46.

The spelling of 18853706422 in words is "eighteen billion, eight hundred fifty-three million, seven hundred six thousand, four hundred twenty-two".