2018381836382 has 16 divisors (see below), whose sum is σ = 3098712122880. Its totient is φ = 985488866712.

The previous prime is 2018381836379. The next prime is 2018381836397. The reversal of 2018381836382 is 2836381838102.

It is a happy number.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2400782 + ... + 3130577.

It is an arithmetic number, because the mean of its divisors is an integer number (193669507680).

Almost surely, 2^{2018381836382} is an apocalyptic number.

2018381836382 is a deficient number, since it is larger than the sum of its proper divisors (1080330286498).

2018381836382 is a wasteful number, since it uses less digits than its factorization.

2018381836382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5535647.

The product of its (nonzero) digits is 2654208, while the sum is 53.

The spelling of 2018381836382 in words is "two trillion, eighteen billion, three hundred eighty-one million, eight hundred thirty-six thousand, three hundred eighty-two".