490468673 has 4 divisors (see below), whose sum is σ = 490818180. Its totient is φ = 490119168.

The previous prime is 490468661. The next prime is 490468681. The reversal of 490468673 is 376864094.

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 144769024 + 345699649 = 12032^2 + 18593^2 .

It is a cyclic number.

It is not a de Polignac number, because 490468673 - 2¹² = 490464577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (490468613) 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, 172640 + ... + 175457.

It is an arithmetic number, because the mean of its divisors is an integer number (122704545).

Almost surely, 2^490468673 is an apocalyptic number.

It is an amenable number.

490468673 is a deficient number, since it is larger than the sum of its proper divisors (349507).

490468673 is a wasteful number, since it uses less digits than its factorization.

490468673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349506.

The product of its (nonzero) digits is 870912, while the sum is 47.

The square root of 490468673 is about 22146.5273350022. The cubic root of 490468673 is about 788.6247895357.

The spelling of 490468673 in words is "four hundred ninety million, four hundred sixty-eight thousand, six hundred seventy-three".