2418868189 has 4 divisors (see below), whose sum is σ = 2429524224. Its totient is φ = 2408212156.

The previous prime is 2418868187. The next prime is 2418868241. The reversal of 2418868189 is 9818688142.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9818688142 = 2 ⋅4909344071.

It is a cyclic number.

It is not a de Polignac number, because 2418868189 - 2¹ = 2418868187 is a prime.

It is a super-2 number, since 2×2418868189² = 11701846631512279442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2418868187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5327677 + ... + 5328130.

It is an arithmetic number, because the mean of its divisors is an integer number (607381056).

Almost surely, 2^2418868189 is an apocalyptic number.

It is an amenable number.

2418868189 is a deficient number, since it is larger than the sum of its proper divisors (10656035).

2418868189 is a wasteful number, since it uses less digits than its factorization.

2418868189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10656034.

The product of its digits is 1769472, while the sum is 55.

The square root of 2418868189 is about 49181.9904944889. The cubic root of 2418868189 is about 1342.3653531385.

The spelling of 2418868189 in words is "two billion, four hundred eighteen million, eight hundred sixty-eight thousand, one hundred eighty-nine".