2195386109 has 8 divisors (see below), whose sum is σ = 2521622400. Its totient is φ = 1872302256.

The previous prime is 2195386097. The next prime is 2195386129. The reversal of 2195386109 is 9016835912.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2195386109 - 2⁸ = 2195385853 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2195386109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2195386129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 786614 + ... + 789399.

It is an arithmetic number, because the mean of its divisors is an integer number (315202800).

Almost surely, 2^2195386109 is an apocalyptic number.

It is an amenable number.

2195386109 is a deficient number, since it is larger than the sum of its proper divisors (326236291).

2195386109 is a wasteful number, since it uses less digits than its factorization.

2195386109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1576219.

The product of its (nonzero) digits is 116640, while the sum is 44.

The square root of 2195386109 is about 46854.9475402545. The cubic root of 2195386109 is about 1299.6816003268.

The spelling of 2195386109 in words is "two billion, one hundred ninety-five million, three hundred eighty-six thousand, one hundred nine".