2196997353 has 12 divisors (see below), whose sum is σ = 3176022148. Its totient is φ = 1463473440.

The previous prime is 2196997339. The next prime is 2196997357. The reversal of 2196997353 is 3537996912.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1384063209 + 812934144 = 37203^2 + 28512^2 .

It is not a de Polignac number, because 2196997353 - 2⁵ = 2196997321 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 2196997353.

It is not an unprimeable number, because it can be changed into a prime (2196997357) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 87538 + ... + 109803.

Almost surely, 2^2196997353 is an apocalyptic number.

It is an amenable number.

2196997353 is a deficient number, since it is larger than the sum of its proper divisors (979024795).

2196997353 is a wasteful number, since it uses less digits than its factorization.

2196997353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198584 (or 198581 counting only the distinct ones).

The product of its digits is 2755620, while the sum is 54.

The square root of 2196997353 is about 46872.1383446499. The cubic root of 2196997353 is about 1299.9994779091. Note that the first 3 decimals are identical.

The spelling of 2196997353 in words is "two billion, one hundred ninety-six million, nine hundred ninety-seven thousand, three hundred fifty-three".