490053805 has 4 divisors (see below), whose sum is σ = 588064572. Its totient is φ = 392043040.

The previous prime is 490053799. The next prime is 490053821. The reversal of 490053805 is 508350094.

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 218034756 + 272019049 = 14766^2 + 16493^2 .

It is not a de Polignac number, because 490053805 - 2⁹ = 490053293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49005376 + ... + 49005385.

It is an arithmetic number, because the mean of its divisors is an integer number (147016143).

Almost surely, 2^490053805 is an apocalyptic number.

It is an amenable number.

490053805 is a deficient number, since it is larger than the sum of its proper divisors (98010767).

490053805 is an equidigital number, since it uses as much as digits as its factorization.

490053805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98010766.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 490053805 is about 22137.1589188857. The cubic root of 490053805 is about 788.4023713340.

The spelling of 490053805 in words is "four hundred ninety million, fifty-three thousand, eight hundred five".