489274813 has 8 divisors (see below), whose sum is σ = 493368768. Its totient is φ = 485188704.

The previous prime is 489274811. The next prime is 489274817. The reversal of 489274813 is 318472984.

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

It is a cyclic number.

It is not a de Polignac number, because 489274813 - 2¹ = 489274811 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489274811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243270 + ... + 245272.

It is an arithmetic number, because the mean of its divisors is an integer number (61671096).

Almost surely, 2^489274813 is an apocalyptic number.

It is an amenable number.

489274813 is a deficient number, since it is larger than the sum of its proper divisors (4093955).

489274813 is a wasteful number, since it uses less digits than its factorization.

489274813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3923.

The product of its digits is 387072, while the sum is 46.

The square root of 489274813 is about 22119.5572514461. The cubic root of 489274813 is about 787.9844003242.

The spelling of 489274813 in words is "four hundred eighty-nine million, two hundred seventy-four thousand, eight hundred thirteen".