490499853 has 4 divisors (see below), whose sum is σ = 653999808. Its totient is φ = 326999900.

The previous prime is 490499833. The next prime is 490499857. The reversal of 490499853 is 358994094.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 490499853 - 2⁹ = 490499341 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 490499796 and 490499805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490499857) 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 3 ways as a sum of consecutive naturals, for example, 81749973 + ... + 81749978.

It is an arithmetic number, because the mean of its divisors is an integer number (163499952).

Almost surely, 2^490499853 is an apocalyptic number.

It is an amenable number.

490499853 is a deficient number, since it is larger than the sum of its proper divisors (163499955).

490499853 is a wasteful number, since it uses less digits than its factorization.

490499853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163499954.

The product of its (nonzero) digits is 1399680, while the sum is 51.

The square root of 490499853 is about 22147.2312716511. The cubic root of 490499853 is about 788.6415006267.

The spelling of 490499853 in words is "four hundred ninety million, four hundred ninety-nine thousand, eight hundred fifty-three".