499438529218667 has 4 divisors (see below), whose sum is σ = 499438590479616. Its totient is φ = 499438467957720.

The previous prime is 499438529218609. The next prime is 499438529218703. The reversal of 499438529218667 is 766812925834994.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 499438529218667 - 2¹⁶ = 499438529153131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (499438529248667) 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 3 ways as a sum of consecutive naturals, for example, 16105643 + ... + 35472084.

It is an arithmetic number, because the mean of its divisors is an integer number (124859647619904).

Almost surely, 2^{499438529218667} is an apocalyptic number.

499438529218667 is a deficient number, since it is larger than the sum of its proper divisors (61260949).

499438529218667 is an equidigital number, since it uses as much as digits as its factorization.

499438529218667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61260948.

The product of its digits is 11287019520, while the sum is 83.

The spelling of 499438529218667 in words is "four hundred ninety-nine trillion, four hundred thirty-eight billion, five hundred twenty-nine million, two hundred eighteen thousand, six hundred sixty-seven".