499229317 has 2 divisors, whose sum is σ = 499229318. Its totient is φ = 499229316.

The previous prime is 499229309. The next prime is 499229383. The reversal of 499229317 is 713922994.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 441378081 + 57851236 = 21009^2 + 7606^2 .

It is a cyclic number.

It is not a de Polignac number, because 499229317 - 2³ = 499229309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (499229117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249614658 + 249614659.

It is an arithmetic number, because the mean of its divisors is an integer number (249614659).

Almost surely, 2^499229317 is an apocalyptic number.

It is an amenable number.

499229317 is a deficient number, since it is larger than the sum of its proper divisors (1).

499229317 is an equidigital number, since it uses as much as digits as its factorization.

499229317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 244944, while the sum is 46.

The square root of 499229317 is about 22343.4401335157. The cubic root of 499229317 is about 793.2925219494.

The spelling of 499229317 in words is "four hundred ninety-nine million, two hundred twenty-nine thousand, three hundred seventeen".