499948665 has 32 divisors (see below), whose sum is σ = 854789760. Its totient is φ = 248638464.

The previous prime is 499948663. The next prime is 499948679. The reversal of 499948665 is 566849994.

It is not a de Polignac number, because 499948665 - 2¹ = 499948663 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 499948599 and 499948608.

It is not an unprimeable number, because it can be changed into a prime (499948663) 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 31 ways as a sum of consecutive naturals, for example, 18802 + ... + 36788.

It is an arithmetic number, because the mean of its divisors is an integer number (26712180).

Almost surely, 2^499948665 is an apocalyptic number.

It is an amenable number.

499948665 is a deficient number, since it is larger than the sum of its proper divisors (354841095).

499948665 is a wasteful number, since it uses less digits than its factorization.

499948665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18121.

The product of its digits is 16796160, while the sum is 60.

The square root of 499948665 is about 22359.5318600368. The cubic root of 499948665 is about 793.6733619768.

The spelling of 499948665 in words is "four hundred ninety-nine million, nine hundred forty-eight thousand, six hundred sixty-five".