499244539 has 4 divisors (see below), whose sum is σ = 499310056. Its totient is φ = 499179024.

The previous prime is 499244527. The next prime is 499244563. The reversal of 499244539 is 935442994.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 499244539 - 2⁹ = 499244027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 499244492 and 499244501.

It is not an unprimeable number, because it can be changed into a prime (499244839) 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, 19554 + ... + 37159.

It is an arithmetic number, because the mean of its divisors is an integer number (124827514).

Almost surely, 2^499244539 is an apocalyptic number.

499244539 is a deficient number, since it is larger than the sum of its proper divisors (65517).

499244539 is an equidigital number, since it uses as much as digits as its factorization.

499244539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65516.

The product of its digits is 1399680, while the sum is 49.

The square root of 499244539 is about 22343.7807678110. The cubic root of 499244539 is about 793.3005846276.

The spelling of 499244539 in words is "four hundred ninety-nine million, two hundred forty-four thousand, five hundred thirty-nine".