499489949 has 8 divisors (see below), whose sum is σ = 589260288. Its totient is φ = 414323280.

The previous prime is 499489943. The next prime is 499489979. The reversal of 499489949 is 949984994.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 499489949 - 2¹² = 499485853 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499489943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1150682 + ... + 1151115.

It is an arithmetic number, because the mean of its divisors is an integer number (73657536).

Almost surely, 2^499489949 is an apocalyptic number.

It is an amenable number.

499489949 is a deficient number, since it is larger than the sum of its proper divisors (89770339).

499489949 is a wasteful number, since it uses less digits than its factorization.

499489949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2301835.

The product of its digits is 30233088, while the sum is 65.

The square root of 499489949 is about 22349.2717778455. The cubic root of 499489949 is about 793.4305489973.

The spelling of 499489949 in words is "four hundred ninety-nine million, four hundred eighty-nine thousand, nine hundred forty-nine".