2194813395 has 16 divisors (see below), whose sum is σ = 3901890720. Its totient is φ = 1170567072.

The previous prime is 2194813391. The next prime is 2194813447. The reversal of 2194813395 is 5933184912.

It is a happy number.

2194813395 is a `hidden beast` number, since 219 + 48 + 1 + 3 + 395 = 666.

It is not a de Polignac number, because 2194813395 - 2² = 2194813391 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 2194813395.

It is not an unprimeable number, because it can be changed into a prime (2194813391) 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, 8128804 + ... + 8129073.

It is an arithmetic number, because the mean of its divisors is an integer number (243868170).

Almost surely, 2^2194813395 is an apocalyptic number.

2194813395 is a deficient number, since it is larger than the sum of its proper divisors (1707077325).

2194813395 is a wasteful number, since it uses less digits than its factorization.

2194813395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16257891 (or 16257885 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 2194813395 is about 46848.8355778455. The cubic root of 2194813395 is about 1299.5685738025.

The spelling of 2194813395 in words is "two billion, one hundred ninety-four million, eight hundred thirteen thousand, three hundred ninety-five".