18854753412 has 96 divisors (see below), whose sum is σ = 49900032000. Its totient is φ = 5489308800.

The previous prime is 18854753371. The next prime is 18854753413. The reversal of 18854753412 is 21435745881.

It is not an unprimeable number, because it can be changed into a prime (18854753413) 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, 552214 + ... + 585362.

It is an arithmetic number, because the mean of its divisors is an integer number (519792000).

Almost surely, 2^18854753412 is an apocalyptic number.

18854753412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18854753412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24950016000).

18854753412 is an abundant number, since it is smaller than the sum of its proper divisors (31045278588).

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

18854753412 is a wasteful number, since it uses less digits than its factorization.

18854753412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33337 (or 33335 counting only the distinct ones).

The product of its digits is 1075200, while the sum is 48.

The spelling of 18854753412 in words is "eighteen billion, eight hundred fifty-four million, seven hundred fifty-three thousand, four hundred twelve".