2018493188 has 12 divisors (see below), whose sum is σ = 3585085392. Its totient is φ = 994183080.

The previous prime is 2018493187. The next prime is 2018493203. The reversal of 2018493188 is 8813948102.

It is not an unprimeable number, because it can be changed into a prime (2018493187) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3765578 + ... + 3766113.

It is an arithmetic number, because the mean of its divisors is an integer number (298757116).

Almost surely, 2^2018493188 is an apocalyptic number.

It is an amenable number.

2018493188 is a deficient number, since it is larger than the sum of its proper divisors (1566592204).

2018493188 is a wasteful number, since it uses less digits than its factorization.

2018493188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7531762 (or 7531760 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 44.

The square root of 2018493188 is about 44927.6439177485. The cubic root of 2018493188 is about 1263.7924679641.

The spelling of 2018493188 in words is "two billion, eighteen million, four hundred ninety-three thousand, one hundred eighty-eight".