499969002981 has 16 divisors (see below), whose sum is σ = 767856410624. Its totient is φ = 283446992304.

The previous prime is 499969002979. The next prime is 499969002991. The reversal of 499969002981 is 189200969994.

It is not a de Polignac number, because 499969002981 - 2¹ = 499969002979 is a prime.

It is a super-2 number, since 2×499969002981² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499969002901) 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, 93729805 + ... + 93735138.

It is an arithmetic number, because the mean of its divisors is an integer number (47991025664).

Almost surely, 2^499969002981 is an apocalyptic number.

It is an amenable number.

499969002981 is a deficient number, since it is larger than the sum of its proper divisors (267887407643).

499969002981 is a wasteful number, since it uses less digits than its factorization.

499969002981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187465080.

The product of its (nonzero) digits is 22674816, while the sum is 66.

The spelling of 499969002981 in words is "four hundred ninety-nine billion, nine hundred sixty-nine million, two thousand, nine hundred eighty-one".