2189284316858 has 32 divisors (see below), whose sum is σ = 3430130889600. Its totient is φ = 1046003086656.

The previous prime is 2189284316827. The next prime is 2189284316899. The reversal of 2189284316858 is 8586134829812.

It is a junction number, because it is equal to n+sod(n) for n = 2189284316794 and 2189284316803.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 253708088 + ... + 253716716.

It is an arithmetic number, because the mean of its divisors is an integer number (107191590300).

Almost surely, 2^{2189284316858} is an apocalyptic number.

2189284316858 is a deficient number, since it is larger than the sum of its proper divisors (1240846572742).

2189284316858 is a wasteful number, since it uses less digits than its factorization.

2189284316858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13526.

The product of its digits is 53084160, while the sum is 65.

The spelling of 2189284316858 in words is "two trillion, one hundred eighty-nine billion, two hundred eighty-four million, three hundred sixteen thousand, eight hundred fifty-eight".