913923211 has 2 divisors, whose sum is σ = 913923212. Its totient is φ = 913923210.

The previous prime is 913923191. The next prime is 913923217. The reversal of 913923211 is 112329319.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 913923211 - 2⁷ = 913923083 is a prime.

It is not a weakly prime, because it can be changed into another prime (913923217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 456961605 + 456961606.

It is an arithmetic number, because the mean of its divisors is an integer number (456961606).

Almost surely, 2^913923211 is an apocalyptic number.

913923211 is a deficient number, since it is larger than the sum of its proper divisors (1).

913923211 is an equidigital number, since it uses as much as digits as its factorization.

913923211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2916, while the sum is 31.

The square root of 913923211 is about 30231.1629118034. The cubic root of 913923211 is about 970.4427110828.

The spelling of 913923211 in words is "nine hundred thirteen million, nine hundred twenty-three thousand, two hundred eleven".