499991824201 has 9 divisors (see below), whose sum is σ = 505063393909. Its totient is φ = 494970700000.

The previous prime is 499991824169. The next prime is 499991824231. The reversal of 499991824201 is 102428199994.

The square root of 499991824201 is 707101.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 118438534201 + 381553290000 = 344149^2 + 617700^2 .

It is not a de Polignac number, because 499991824201 - 2⁵ = 499991824169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (499991824231) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 71413701 + ... + 71420701.

Almost surely, 2^499991824201 is an apocalyptic number.

499991824201 is the 707101-st square number.

499991824201 is the 353551-st centered octagonal number.

It is an amenable number.

499991824201 is a deficient number, since it is larger than the sum of its proper divisors (5071569708).

499991824201 is an frugal number, since it uses more digits than its factorization.

499991824201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14204 (or 7102 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 58.

The spelling of 499991824201 in words is "four hundred ninety-nine billion, nine hundred ninety-one million, eight hundred twenty-four thousand, two hundred one".