2018663868039 has 16 divisors (see below), whose sum is σ = 3312679168512. Its totient is φ = 1064789732448.

The previous prime is 2018663868037. The next prime is 2018663868047. The reversal of 2018663868039 is 9308683668102.

It is a happy number.

It is not a de Polignac number, because 2018663868039 - 2¹ = 2018663868037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2018663868037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3697186299 + ... + 3697186844.

It is an arithmetic number, because the mean of its divisors is an integer number (207042448032).

Almost surely, 2^{2018663868039} is an apocalyptic number.

2018663868039 is a deficient number, since it is larger than the sum of its proper divisors (1294015300473).

2018663868039 is a wasteful number, since it uses less digits than its factorization.

2018663868039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7394373166.

The product of its (nonzero) digits is 17915904, while the sum is 60.

The spelling of 2018663868039 in words is "two trillion, eighteen billion, six hundred sixty-three million, eight hundred sixty-eight thousand, thirty-nine".