2193203291 has 2 divisors, whose sum is σ = 2193203292. Its totient is φ = 2193203290.

The previous prime is 2193203263. The next prime is 2193203317. The reversal of 2193203291 is 1923023912.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2193203291 - 2¹⁴ = 2193186907 is a prime.

It is not a weakly prime, because it can be changed into another prime (2193203191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1096601645 + 1096601646.

It is an arithmetic number, because the mean of its divisors is an integer number (1096601646).

Almost surely, 2^2193203291 is an apocalyptic number.

2193203291 is a deficient number, since it is larger than the sum of its proper divisors (1).

2193203291 is an equidigital number, since it uses as much as digits as its factorization.

2193203291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 2193203291 is about 46831.6483908051. The cubic root of 2193203291 is about 1299.2507104191.

The spelling of 2193203291 in words is "two billion, one hundred ninety-three million, two hundred three thousand, two hundred ninety-one".