2196320291 has 4 divisors (see below), whose sum is σ = 2395985784. Its totient is φ = 1996654800.

The previous prime is 2196320251. The next prime is 2196320297. The reversal of 2196320291 is 1920236912.

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 2196320291 - 2⁶ = 2196320227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2196320297) 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, 99832730 + ... + 99832751.

It is an arithmetic number, because the mean of its divisors is an integer number (598996446).

Almost surely, 2^2196320291 is an apocalyptic number.

2196320291 is a deficient number, since it is larger than the sum of its proper divisors (199665493).

2196320291 is a wasteful number, since it uses less digits than its factorization.

2196320291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199665492.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 2196320291 is about 46864.9153525321. The cubic root of 2196320291 is about 1299.8659212804.

The spelling of 2196320291 in words is "two billion, one hundred ninety-six million, three hundred twenty thousand, two hundred ninety-one".