2195159105 has 4 divisors (see below), whose sum is σ = 2634190932. Its totient is φ = 1756127280.

The previous prime is 2195159063. The next prime is 2195159107. The reversal of 2195159105 is 5019515912.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1247996929 + 947162176 = 35327^2 + 30776^2 .

It is not a de Polignac number, because 2195159105 - 2⁶ = 2195159041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2195159107) 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, 219515906 + ... + 219515915.

It is an arithmetic number, because the mean of its divisors is an integer number (658547733).

Almost surely, 2^2195159105 is an apocalyptic number.

It is an amenable number.

2195159105 is a deficient number, since it is larger than the sum of its proper divisors (439031827).

2195159105 is an equidigital number, since it uses as much as digits as its factorization.

2195159105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439031826.

The product of its (nonzero) digits is 20250, while the sum is 38.

The square root of 2195159105 is about 46852.5250653580. The cubic root of 2195159105 is about 1299.6368028778.

The spelling of 2195159105 in words is "two billion, one hundred ninety-five million, one hundred fifty-nine thousand, one hundred five".