2195194812 has 24 divisors (see below), whose sum is σ = 5132400000. Its totient is φ = 730263216.

The previous prime is 2195194787. The next prime is 2195194823. The reversal of 2195194812 is 2184915912.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177312 + ... + 189287.

It is an arithmetic number, because the mean of its divisors is an integer number (213850000).

Almost surely, 2^2195194812 is an apocalyptic number.

It is an amenable number.

2195194812 is an abundant number, since it is smaller than the sum of its proper divisors (2937205188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2195194812 is a wasteful number, since it uses less digits than its factorization.

2195194812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367105 (or 367103 counting only the distinct ones).

The product of its digits is 51840, while the sum is 42.

The square root of 2195194812 is about 46852.9061211789. The cubic root of 2195194812 is about 1299.6438495773.

The spelling of 2195194812 in words is "two billion, one hundred ninety-five million, one hundred ninety-four thousand, eight hundred twelve".