499706239 has 2 divisors, whose sum is σ = 499706240. Its totient is φ = 499706238.

The previous prime is 499706189. The next prime is 499706281. The reversal of 499706239 is 932607994.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 499706239 - 2⁹ = 499705727 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 499706192 and 499706201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (499701239) 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, 249853119 + 249853120.

It is an arithmetic number, because the mean of its divisors is an integer number (249853120).

Almost surely, 2^499706239 is an apocalyptic number.

499706239 is a deficient number, since it is larger than the sum of its proper divisors (1).

499706239 is an equidigital number, since it uses as much as digits as its factorization.

499706239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 734832, while the sum is 49.

The square root of 499706239 is about 22354.1101142497. The cubic root of 499706239 is about 793.5450566928.

The spelling of 499706239 in words is "four hundred ninety-nine million, seven hundred six thousand, two hundred thirty-nine".