2018631086 has 4 divisors (see below), whose sum is σ = 3027946632. Its totient is φ = 1009315542.

The previous prime is 2018631047. The next prime is 2018631103. The reversal of 2018631086 is 6801368102.

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

It is a super-2 number, since 2×2018631086² = 8149742922731078792, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 504657770 + ... + 504657773.

It is an arithmetic number, because the mean of its divisors is an integer number (756986658).

Almost surely, 2^2018631086 is an apocalyptic number.

2018631086 is a deficient number, since it is larger than the sum of its proper divisors (1009315546).

2018631086 is a wasteful number, since it uses less digits than its factorization.

2018631086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009315545.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 2018631086 is about 44929.1785591502. The cubic root of 2018631086 is about 1263.8212469375.

Adding to 2018631086 its reverse (6801368102), we get a palindrome (8819999188).

The spelling of 2018631086 in words is "two billion, eighteen million, six hundred thirty-one thousand, eighty-six".