499748599 has 16 divisors (see below), whose sum is σ = 583963200. Its totient is φ = 427499520.

The previous prime is 499748573. The next prime is 499748611. The reversal of 499748599 is 995847994.

It is not a de Polignac number, because 499748599 - 2²¹ = 497651447 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 499748599.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499748519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218727 + ... + 220999.

It is an arithmetic number, because the mean of its divisors is an integer number (36497700).

Almost surely, 2^499748599 is an apocalyptic number.

499748599 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

499748599 is a deficient number, since it is larger than the sum of its proper divisors (84214601).

499748599 is an equidigital number, since it uses as much as digits as its factorization.

499748599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2935 (or 2921 counting only the distinct ones).

The product of its digits is 29393280, while the sum is 64.

The square root of 499748599 is about 22355.0575709391. The cubic root of 499748599 is about 793.5674789455.

The spelling of 499748599 in words is "four hundred ninety-nine million, seven hundred forty-eight thousand, five hundred ninety-nine".