2195381372 has 24 divisors (see below), whose sum is σ = 4219958400. Its totient is φ = 994702896.

The previous prime is 2195381351. The next prime is 2195381401. The reversal of 2195381372 is 2731835912.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 626222 + ... + 629717.

It is an arithmetic number, because the mean of its divisors is an integer number (175831600).

Almost surely, 2^2195381372 is an apocalyptic number.

It is an amenable number.

2195381372 is a deficient number, since it is larger than the sum of its proper divisors (2024577028).

2195381372 is a wasteful number, since it uses less digits than its factorization.

2195381372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1255985 (or 1255983 counting only the distinct ones).

The product of its digits is 90720, while the sum is 41.

The square root of 2195381372 is about 46854.8969906028. The cubic root of 2195381372 is about 1299.6806655487.

The spelling of 2195381372 in words is "two billion, one hundred ninety-five million, three hundred eighty-one thousand, three hundred seventy-two".