489799801 has 6 divisors (see below), whose sum is σ = 520306670. Its totient is φ = 460987776.

The previous prime is 489799787. The next prime is 489799813. The reversal of 489799801 is 108997984.

It can be written as a sum of positive squares in 3 ways, for example, as 128799801 + 361000000 = 11349^2 + 19000^2 .

It is not a de Polignac number, because 489799801 - 2¹⁹ = 489275513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (489799861) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 847116 + ... + 847693.

Almost surely, 2^489799801 is an apocalyptic number.

It is an amenable number.

489799801 is a deficient number, since it is larger than the sum of its proper divisors (30506869).

489799801 is a wasteful number, since it uses less digits than its factorization.

489799801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1694843 (or 1694826 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 55.

The square root of 489799801 is about 22131.4211247267. The cubic root of 489799801 is about 788.2661332564.

The spelling of 489799801 in words is "four hundred eighty-nine million, seven hundred ninety-nine thousand, eight hundred one".