2018335336805 has 4 divisors (see below), whose sum is σ = 2422002404172. Its totient is φ = 1614668269440.

The previous prime is 2018335336769. The next prime is 2018335336817. The reversal of 2018335336805 is 5086335338102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 345925127716 + 1672410209089 = 588154^2 + 1293217^2 .

It is not a de Polignac number, because 2018335336805 - 2³⁶ = 1949615860069 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2018335336805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201833533676 + ... + 201833533685.

It is an arithmetic number, because the mean of its divisors is an integer number (605500601043).

Almost surely, 2^{2018335336805} is an apocalyptic number.

It is an amenable number.

2018335336805 is a deficient number, since it is larger than the sum of its proper divisors (403667067367).

2018335336805 is an equidigital number, since it uses as much as digits as its factorization.

2018335336805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403667067366.

The product of its (nonzero) digits is 1555200, while the sum is 47.

The spelling of 2018335336805 in words is "two trillion, eighteen billion, three hundred thirty-five million, three hundred thirty-six thousand, eight hundred five".