499564441 has 4 divisors (see below), whose sum is σ = 507754084. Its totient is φ = 491374800.

The previous prime is 499564433. The next prime is 499564487. The reversal of 499564441 is 144465994.

499564441 = 15804² + 15805².

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

It can be written as a sum of positive squares in 2 ways, for example, as 249798025 + 249766416 = 15805^2 + 15804^2 .

It is a cyclic number.

It is not a de Polignac number, because 499564441 - 2³ = 499564433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 499564391 and 499564400.

It is not an unprimeable number, because it can be changed into a prime (499565441) 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 3 ways as a sum of consecutive naturals, for example, 4094730 + ... + 4094851.

It is an arithmetic number, because the mean of its divisors is an integer number (126938521).

Almost surely, 2^499564441 is an apocalyptic number.

499564441 is the 15805-th centered square number.

It is an amenable number.

499564441 is a deficient number, since it is larger than the sum of its proper divisors (8189643).

499564441 is an equidigital number, since it uses as much as digits as its factorization.

499564441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8189642.

The product of its digits is 622080, while the sum is 46.

The square root of 499564441 is about 22350.9382577108. The cubic root of 499564441 is about 793.4699900915.

It can be divided in two parts, 499564 and 441, that added together give a palindrome (500005).

The spelling of 499564441 in words is "four hundred ninety-nine million, five hundred sixty-four thousand, four hundred forty-one".