499861718 has 16 divisors (see below), whose sum is σ = 756079920. Its totient is φ = 247844256.

The previous prime is 499861711. The next prime is 499861721. The reversal of 499861718 is 817168994.

It is a self number, because there is not a number n which added to its sum of digits gives 499861718.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499861711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120080 + ... + 124172.

It is an arithmetic number, because the mean of its divisors is an integer number (47254995).

Almost surely, 2^499861718 is an apocalyptic number.

499861718 is a deficient number, since it is larger than the sum of its proper divisors (256218202).

499861718 is a wasteful number, since it uses less digits than its factorization.

499861718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4591.

The product of its digits is 870912, while the sum is 53.

The square root of 499861718 is about 22357.5874816582. The cubic root of 499861718 is about 793.6273495736.

The spelling of 499861718 in words is "four hundred ninety-nine million, eight hundred sixty-one thousand, seven hundred eighteen".