499382569 has 6 divisors (see below), whose sum is σ = 580914474. Its totient is φ = 428042160.

The previous prime is 499382551. The next prime is 499382573. The reversal of 499382569 is 965283994.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 310182544 + 189200025 = 17612^2 + 13755^2 .

It is not a de Polignac number, because 499382569 - 2⁹ = 499382057 is a prime.

It is a super-2 number, since 2×499382569² = 498765900442079522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (499382579) 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 5 ways as a sum of consecutive naturals, for example, 5095692 + ... + 5095789.

It is an arithmetic number, because the mean of its divisors is an integer number (96819079).

Almost surely, 2^499382569 is an apocalyptic number.

499382569 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

499382569 is a deficient number, since it is larger than the sum of its proper divisors (81531905).

499382569 is a wasteful number, since it uses less digits than its factorization.

499382569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10191495 (or 10191488 counting only the distinct ones).

The product of its digits is 4199040, while the sum is 55.

The square root of 499382569 is about 22346.8693333093. The cubic root of 499382569 is about 793.3736878742.

The spelling of 499382569 in words is "four hundred ninety-nine million, three hundred eighty-two thousand, five hundred sixty-nine".