489467451 has 32 divisors (see below), whose sum is σ = 756691200. Its totient is φ = 279104640.

The previous prime is 489467449. The next prime is 489467453. The reversal of 489467451 is 154764984.

It is an interprime number because it is at equal distance from previous prime (489467449) and next prime (489467453).

It is not a de Polignac number, because 489467451 - 2¹ = 489467449 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 489467451.

It is not an unprimeable number, because it can be changed into a prime (489467453) 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 31 ways as a sum of consecutive naturals, for example, 160620 + ... + 163638.

It is an arithmetic number, because the mean of its divisors is an integer number (23646600).

Almost surely, 2^489467451 is an apocalyptic number.

489467451 is a deficient number, since it is larger than the sum of its proper divisors (267223749).

489467451 is a wasteful number, since it uses less digits than its factorization.

489467451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3084 (or 3050 counting only the distinct ones).

The product of its digits is 967680, while the sum is 48.

The square root of 489467451 is about 22123.9112952480. The cubic root of 489467451 is about 788.0878022144.

The spelling of 489467451 in words is "four hundred eighty-nine million, four hundred sixty-seven thousand, four hundred fifty-one".