499866008979 has 16 divisors (see below), whose sum is σ = 675533325600. Its totient is φ = 328738646016.

The previous prime is 499866008963. The next prime is 499866008989. The reversal of 499866008979 is 979800668994.

It is not a de Polignac number, because 499866008979 - 2⁴ = 499866008963 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 499866008979.

It is not an unprimeable number, because it can be changed into a prime (499866008989) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2046234 + ... + 2277455.

It is an arithmetic number, because the mean of its divisors is an integer number (42220832850).

Almost surely, 2^499866008979 is an apocalyptic number.

499866008979 is a deficient number, since it is larger than the sum of its proper divisors (175667316621).

499866008979 is a wasteful number, since it uses less digits than its factorization.

499866008979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4324214.

The product of its (nonzero) digits is 423263232, while the sum is 75.

The spelling of 499866008979 in words is "four hundred ninety-nine billion, eight hundred sixty-six million, eight thousand, nine hundred seventy-nine".