499549545459 has 10 divisors (see below), whose sum is σ = 746240679140. Its totient is φ = 333033030252.

The previous prime is 499549545457. The next prime is 499549545463. The reversal of 499549545459 is 954545945994.

499549545459 is a `hidden beast` number, since 4 + 9 + 95 + 49 + 5 + 45 + 459 = 666.

It is not a de Polignac number, because 499549545459 - 2¹ = 499549545457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (499549545457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3083639089 + ... + 3083639250.

It is an arithmetic number, because the mean of its divisors is an integer number (74624067914).

Almost surely, 2^499549545459 is an apocalyptic number.

499549545459 is a deficient number, since it is larger than the sum of its proper divisors (246691133681).

499549545459 is an equidigital number, since it uses as much as digits as its factorization.

499549545459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6167278351 (or 6167278342 counting only the distinct ones).

The product of its digits is 1049760000, while the sum is 72.

The spelling of 499549545459 in words is "four hundred ninety-nine billion, five hundred forty-nine million, five hundred forty-five thousand, four hundred fifty-nine".