2018883881 has 16 divisors (see below), whose sum is σ = 2326164480. Its totient is φ = 1716361920.

The previous prime is 2018883871. The next prime is 2018883887. The reversal of 2018883881 is 1883888102.

It is not a de Polignac number, because 2018883881 - 2¹⁴ = 2018867497 is a prime.

It is a super-2 number, since 2×2018883881² = 8151784249923244322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2018883887) 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, 777896 + ... + 780486.

It is an arithmetic number, because the mean of its divisors is an integer number (145385280).

Almost surely, 2^2018883881 is an apocalyptic number.

It is an amenable number.

2018883881 is a deficient number, since it is larger than the sum of its proper divisors (307280599).

2018883881 is a wasteful number, since it uses less digits than its factorization.

2018883881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3464.

The product of its (nonzero) digits is 196608, while the sum is 47.

The square root of 2018883881 is about 44931.9917319497. The cubic root of 2018883881 is about 1263.8740012287.

The spelling of 2018883881 in words is "two billion, eighteen million, eight hundred eighty-three thousand, eight hundred eighty-one".