2646196195 has 4 divisors (see below), whose sum is σ = 3175435440. Its totient is φ = 2116956952.

The previous prime is 2646196187. The next prime is 2646196249. The reversal of 2646196195 is 5916916462.

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

It is a cyclic number.

It is not a de Polignac number, because 2646196195 - 2³ = 2646196187 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 264619615 + ... + 264619624.

It is an arithmetic number, because the mean of its divisors is an integer number (793858860).

Almost surely, 2^2646196195 is an apocalyptic number.

2646196195 is a deficient number, since it is larger than the sum of its proper divisors (529239245).

2646196195 is an equidigital number, since it uses as much as digits as its factorization.

2646196195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529239244.

The product of its digits is 699840, while the sum is 49.

The square root of 2646196195 is about 51441.1916172244. The cubic root of 2646196195 is about 1383.1650721297.

The spelling of 2646196195 in words is "two billion, six hundred forty-six million, one hundred ninety-six thousand, one hundred ninety-five".