499955263 has 2 divisors, whose sum is σ = 499955264. Its totient is φ = 499955262.

The previous prime is 499955251. The next prime is 499955311. The reversal of 499955263 is 362559994.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-499955263 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 499955263.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (499955243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249977631 + 249977632.

It is an arithmetic number, because the mean of its divisors is an integer number (249977632).

Almost surely, 2^499955263 is an apocalyptic number.

499955263 is a deficient number, since it is larger than the sum of its proper divisors (1).

499955263 is an equidigital number, since it uses as much as digits as its factorization.

499955263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2624400, while the sum is 52.

The square root of 499955263 is about 22359.6794028895. The cubic root of 499955263 is about 793.6768534244.

The spelling of 499955263 in words is "four hundred ninety-nine million, nine hundred fifty-five thousand, two hundred sixty-three".