499999506984 has 96 divisors (see below), whose sum is σ = 1365237918720. Its totient is φ = 165304516608.

The previous prime is 499999506983. The next prime is 499999506989. The reversal of 499999506984 is 489605999994.

It is not an unprimeable number, because it can be changed into a prime (499999506983) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42449704 + ... + 42461480.

It is an arithmetic number, because the mean of its divisors is an integer number (14221228320).

Almost surely, 2^499999506984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 499999506984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (682618959360).

499999506984 is an abundant number, since it is smaller than the sum of its proper divisors (865238411736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

499999506984 is a wasteful number, since it uses less digits than its factorization.

499999506984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16559 (or 16552 counting only the distinct ones).

The product of its (nonzero) digits is 2040733440, while the sum is 81.

The spelling of 499999506984 in words is "four hundred ninety-nine billion, nine hundred ninety-nine million, five hundred six thousand, nine hundred eighty-four".