491382299 has 2 divisors, whose sum is σ = 491382300. Its totient is φ = 491382298.

The previous prime is 491382259. The next prime is 491382317. The reversal of 491382299 is 992283194.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 491382299 - 2⁸ = 491382043 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (491382259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245691149 + 245691150.

It is an arithmetic number, because the mean of its divisors is an integer number (245691150).

Almost surely, 2^491382299 is an apocalyptic number.

491382299 is a deficient number, since it is larger than the sum of its proper divisors (1).

491382299 is an equidigital number, since it uses as much as digits as its factorization.

491382299 is an evil number, because the sum of its binary digits is even.

The product of its digits is 279936, while the sum is 47.

The square root of 491382299 is about 22167.1445838204. The cubic root of 491382299 is about 789.1141590142.

The spelling of 491382299 in words is "four hundred ninety-one million, three hundred eighty-two thousand, two hundred ninety-nine".