2195861413 has 4 divisors (see below), whose sum is σ = 2196317088. Its totient is φ = 2195405740.

The previous prime is 2195861399. The next prime is 2195861443. The reversal of 2195861413 is 3141685912.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2195861413 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2195861443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220531 + ... + 230272.

It is an arithmetic number, because the mean of its divisors is an integer number (549079272).

Almost surely, 2^2195861413 is an apocalyptic number.

It is an amenable number.

2195861413 is a deficient number, since it is larger than the sum of its proper divisors (455675).

2195861413 is an equidigital number, since it uses as much as digits as its factorization.

2195861413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455674.

The product of its digits is 51840, while the sum is 40.

The square root of 2195861413 is about 46860.0193448530. The cubic root of 2195861413 is about 1299.7753878213.

The spelling of 2195861413 in words is "two billion, one hundred ninety-five million, eight hundred sixty-one thousand, four hundred thirteen".