489581013 has 8 divisors (see below), whose sum is σ = 681156288. Its totient is φ = 312196544.

The previous prime is 489580991. The next prime is 489581023. The reversal of 489581013 is 310185984.

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 489581013 - 2¹⁰ = 489579989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489581023) 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 7 ways as a sum of consecutive naturals, for example, 3547620 + ... + 3547757.

It is an arithmetic number, because the mean of its divisors is an integer number (85144536).

Almost surely, 2^489581013 is an apocalyptic number.

It is an amenable number.

489581013 is a deficient number, since it is larger than the sum of its proper divisors (191575275).

489581013 is a wasteful number, since it uses less digits than its factorization.

489581013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7095403.

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 489581013 is about 22126.4776455721. The cubic root of 489581013 is about 788.1487459376.

The spelling of 489581013 in words is "four hundred eighty-nine million, five hundred eighty-one thousand, thirteen".