490899912806 has 16 divisors (see below), whose sum is σ = 753567845184. Its totient is φ = 239712048744.

The previous prime is 490899912743. The next prime is 490899912817. The reversal of 490899912806 is 608219998094.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 350321 + ... + 1050963.

It is an arithmetic number, because the mean of its divisors is an integer number (47097990324).

Almost surely, 2^490899912806 is an apocalyptic number.

It is a pronic number, being equal to 700642×700643.

490899912806 is a deficient number, since it is larger than the sum of its proper divisors (262667932378).

490899912806 is a wasteful number, since it uses less digits than its factorization.

490899912806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708835.

The product of its (nonzero) digits is 20155392, while the sum is 65.

The spelling of 490899912806 in words is "four hundred ninety billion, eight hundred ninety-nine million, nine hundred twelve thousand, eight hundred six".