489306844655 has 32 divisors (see below), whose sum is σ = 610601426496. Its totient is φ = 376111309824.

The previous prime is 489306844597. The next prime is 489306844669. The reversal of 489306844655 is 556448603984.

It is a cyclic number.

It is not a de Polignac number, because 489306844655 - 2²² = 489302650351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6236027 + ... + 6314003.

It is an arithmetic number, because the mean of its divisors is an integer number (19081294578).

Almost surely, 2^489306844655 is an apocalyptic number.

489306844655 is a deficient number, since it is larger than the sum of its proper divisors (121294581841).

489306844655 is a wasteful number, since it uses less digits than its factorization.

489306844655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78443.

The product of its (nonzero) digits is 99532800, while the sum is 62.

The spelling of 489306844655 in words is "four hundred eighty-nine billion, three hundred six million, eight hundred forty-four thousand, six hundred fifty-five".