2162818893 has 16 divisors (see below), whose sum is σ = 2928669696. Its totient is φ = 1419451440.

The previous prime is 2162818891. The next prime is 2162818901. The reversal of 2162818893 is 3988182612.

It is not a de Polignac number, because 2162818893 - 2¹ = 2162818891 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2162818891) 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, 482380 + ... + 486842.

It is an arithmetic number, because the mean of its divisors is an integer number (183041856).

Almost surely, 2^2162818893 is an apocalyptic number.

It is an amenable number.

2162818893 is a deficient number, since it is larger than the sum of its proper divisors (765850803).

2162818893 is a wasteful number, since it uses less digits than its factorization.

2162818893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6944.

The product of its digits is 331776, while the sum is 48.

The square root of 2162818893 is about 46506.1167267275. The cubic root of 2162818893 is about 1293.2228955826. Note that the first 3 decimals are identical.

The spelling of 2162818893 in words is "two billion, one hundred sixty-two million, eight hundred eighteen thousand, eight hundred ninety-three".