499748585497 has 16 divisors (see below), whose sum is σ = 577929715200. Its totient is φ = 423281246400.

The previous prime is 499748585491. The next prime is 499748585587. The reversal of 499748585497 is 794585847994.

It is a cyclic number.

It is not a de Polignac number, because 499748585497 - 2¹⁵ = 499748552729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (499748585491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 334497 + ... + 1054222.

It is an arithmetic number, because the mean of its divisors is an integer number (36120607200).

Almost surely, 2^499748585497 is an apocalyptic number.

It is an amenable number.

499748585497 is a deficient number, since it is larger than the sum of its proper divisors (78181129703).

499748585497 is a wasteful number, since it uses less digits than its factorization.

499748585497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1389336.

The product of its digits is 3657830400, while the sum is 79.

The spelling of 499748585497 in words is "four hundred ninety-nine billion, seven hundred forty-eight million, five hundred eighty-five thousand, four hundred ninety-seven".