499830943 has 2 divisors, whose sum is σ = 499830944. Its totient is φ = 499830942.

The previous prime is 499830899. The next prime is 499830971. The reversal of 499830943 is 349038994.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-499830943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (499834943) 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, 249915471 + 249915472.

It is an arithmetic number, because the mean of its divisors is an integer number (249915472).

Almost surely, 2^499830943 is an apocalyptic number.

499830943 is a deficient number, since it is larger than the sum of its proper divisors (1).

499830943 is an equidigital number, since it uses as much as digits as its factorization.

499830943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 839808, while the sum is 49.

The square root of 499830943 is about 22356.8992259660. The cubic root of 499830943 is about 793.6110621471.

The spelling of 499830943 in words is "four hundred ninety-nine million, eight hundred thirty thousand, nine hundred forty-three".