499749959 has 2 divisors, whose sum is σ = 499749960. Its totient is φ = 499749958.

The previous prime is 499749941. The next prime is 499749967. The reversal of 499749959 is 959947994.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-499749959 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 499749895 and 499749904.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (499739959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249874979 + 249874980.

It is an arithmetic number, because the mean of its divisors is an integer number (249874980).

Almost surely, 2^499749959 is an apocalyptic number.

499749959 is a deficient number, since it is larger than the sum of its proper divisors (1).

499749959 is an equidigital number, since it uses as much as digits as its factorization.

499749959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33067440, while the sum is 65.

The square root of 499749959 is about 22355.0879890910. The cubic root of 499749959 is about 793.5681988080.

The spelling of 499749959 in words is "four hundred ninety-nine million, seven hundred forty-nine thousand, nine hundred fifty-nine".