499739505 has 8 divisors (see below), whose sum is σ = 799583232. Its totient is φ = 266527728.

The previous prime is 499739503. The next prime is 499739509. The reversal of 499739505 is 505937994.

It is a happy number.

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

It is not a de Polignac number, because 499739505 - 2¹ = 499739503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (499739503) 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, 16657969 + ... + 16657998.

It is an arithmetic number, because the mean of its divisors is an integer number (99947904).

Almost surely, 2^499739505 is an apocalyptic number.

It is an amenable number.

499739505 is a deficient number, since it is larger than the sum of its proper divisors (299843727).

499739505 is a wasteful number, since it uses less digits than its factorization.

499739505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33315975.

The product of its (nonzero) digits is 1530900, while the sum is 51.

The square root of 499739505 is about 22354.8541708507. The cubic root of 499739505 is about 793.5626653610.

The spelling of 499739505 in words is "four hundred ninety-nine million, seven hundred thirty-nine thousand, five hundred five".