499630249 has 4 divisors (see below), whose sum is σ = 500216836. Its totient is φ = 499043664.

The previous prime is 499630169. The next prime is 499630259. The reversal of 499630249 is 942036994.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19713600 + 479916649 = 4440^2 + 21907^2 .

It is a cyclic number.

It is not a de Polignac number, because 499630249 - 2¹⁵ = 499597481 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 499630199 and 499630208.

It is not an unprimeable number, because it can be changed into a prime (499630259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 292014 + ... + 293719.

It is an arithmetic number, because the mean of its divisors is an integer number (125054209).

Almost surely, 2^499630249 is an apocalyptic number.

It is an amenable number.

499630249 is a deficient number, since it is larger than the sum of its proper divisors (586587).

499630249 is an equidigital number, since it uses as much as digits as its factorization.

499630249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586586.

The product of its (nonzero) digits is 419904, while the sum is 46.

The square root of 499630249 is about 22352.4103621958. The cubic root of 499630249 is about 793.5048300282.

It can be divided in two parts, 4996 and 30249, that added together give a triangular number (35245 = T₂₆₅).

The spelling of 499630249 in words is "four hundred ninety-nine million, six hundred thirty thousand, two hundred forty-nine".