489817101 has 8 divisors (see below), whose sum is σ = 662837344. Its totient is φ = 321670800.

The previous prime is 489817099. The next prime is 489817103. The reversal of 489817101 is 101718984.

It is an interprime number because it is at equal distance from previous prime (489817099) and next prime (489817103).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 489817101 - 2¹ = 489817099 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 489817101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489817103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1218250 + ... + 1218651.

It is an arithmetic number, because the mean of its divisors is an integer number (82854668).

Almost surely, 2^489817101 is an apocalyptic number.

It is an amenable number.

489817101 is a deficient number, since it is larger than the sum of its proper divisors (173020243).

489817101 is a wasteful number, since it uses less digits than its factorization.

489817101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2436971.

The product of its (nonzero) digits is 16128, while the sum is 39.

The square root of 489817101 is about 22131.8119682958. The cubic root of 489817101 is about 788.2754138125.

The spelling of 489817101 in words is "four hundred eighty-nine million, eight hundred seventeen thousand, one hundred one".