489155017 has 8 divisors (see below), whose sum is σ = 535711680. Its totient is φ = 443874000.

The previous prime is 489154999. The next prime is 489155027. The reversal of 489155017 is 710551984.

It is a happy number.

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 489155017 - 2¹⁹ = 488630729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (489155027) 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, 318109 + ... + 319642.

It is an arithmetic number, because the mean of its divisors is an integer number (66963960).

Almost surely, 2^489155017 is an apocalyptic number.

It is an amenable number.

489155017 is a deficient number, since it is larger than the sum of its proper divisors (46556663).

489155017 is a wasteful number, since it uses less digits than its factorization.

489155017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637823.

The product of its (nonzero) digits is 50400, while the sum is 40.

The square root of 489155017 is about 22116.8491652857. The cubic root of 489155017 is about 787.9200839918.

The spelling of 489155017 in words is "four hundred eighty-nine million, one hundred fifty-five thousand, seventeen".