490890003609 has 16 divisors (see below), whose sum is σ = 655376556800. Its totient is φ = 326831936256.

The previous prime is 490890003607. The next prime is 490890003629. The reversal of 490890003609 is 906300098094.

It is a happy number.

It is not a de Polignac number, because 490890003609 - 2¹ = 490890003607 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (490890003607) 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 15 ways as a sum of consecutive naturals, for example, 10186032 + ... + 10234110.

It is an arithmetic number, because the mean of its divisors is an integer number (40961034800).

Almost surely, 2^490890003609 is an apocalyptic number.

It is an amenable number.

490890003609 is a deficient number, since it is larger than the sum of its proper divisors (164486553191).

490890003609 is a wasteful number, since it uses less digits than its factorization.

490890003609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52464.

The product of its (nonzero) digits is 419904, while the sum is 48.

The spelling of 490890003609 in words is "four hundred ninety billion, eight hundred ninety million, three thousand, six hundred nine".