490944673 has 4 divisors (see below), whose sum is σ = 491421888. Its totient is φ = 490467460.

The previous prime is 490944661. The next prime is 490944677. The reversal of 490944673 is 376449094.

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 a de Polignac number, because none of the positive numbers 2^k-490944673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (490944677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237061 + ... + 239122.

It is an arithmetic number, because the mean of its divisors is an integer number (122855472).

Almost surely, 2^490944673 is an apocalyptic number.

It is an amenable number.

490944673 is a deficient number, since it is larger than the sum of its proper divisors (477215).

490944673 is a wasteful number, since it uses less digits than its factorization.

490944673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477214.

The product of its (nonzero) digits is 653184, while the sum is 46.

The square root of 490944673 is about 22157.2713347109. The cubic root of 490944673 is about 788.8798272501.

The spelling of 490944673 in words is "four hundred ninety million, nine hundred forty-four thousand, six hundred seventy-three".