18853841748 has 96 divisors (see below), whose sum is σ = 51775381504. Its totient is φ = 5227867008.

The previous prime is 18853841737. The next prime is 18853841749. The reversal of 18853841748 is 84714835881.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18853841749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 550461 + ... + 583707.

Almost surely, 2^18853841748 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18853841748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25887690752).

18853841748 is an abundant number, since it is smaller than the sum of its proper divisors (32921539756).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18853841748 is a wasteful number, since it uses less digits than its factorization.

18853841748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33461 (or 33459 counting only the distinct ones).

The product of its digits is 6881280, while the sum is 57.

The spelling of 18853841748 in words is "eighteen billion, eight hundred fifty-three million, eight hundred forty-one thousand, seven hundred forty-eight".