2018815995 has 16 divisors (see below), whose sum is σ = 3691549440. Its totient is φ = 922887264.

The previous prime is 2018815993. The next prime is 2018816021. The reversal of 2018815995 is 5995188102.

It is not a de Polignac number, because 2018815995 - 2¹ = 2018815993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2018815991) 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, 9613305 + ... + 9613514.

It is an arithmetic number, because the mean of its divisors is an integer number (230721840).

Almost surely, 2^2018815995 is an apocalyptic number.

2018815995 is a deficient number, since it is larger than the sum of its proper divisors (1672733445).

2018815995 is a wasteful number, since it uses less digits than its factorization.

2018815995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19226834.

The product of its (nonzero) digits is 259200, while the sum is 48.

The square root of 2018815995 is about 44931.2362950320. The cubic root of 2018815995 is about 1263.8598349340.

The spelling of 2018815995 in words is "two billion, eighteen million, eight hundred fifteen thousand, nine hundred ninety-five".