489556497066 has 32 divisors (see below), whose sum is σ = 1205062147968. Its totient is φ = 129113801280.

The previous prime is 489556497043. The next prime is 489556497161. The reversal of 489556497066 is 660794655984.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 448311265 + ... + 448312356.

It is an arithmetic number, because the mean of its divisors is an integer number (37658192124).

Almost surely, 2^489556497066 is an apocalyptic number.

489556497066 is an abundant number, since it is smaller than the sum of its proper divisors (715505650902).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

489556497066 is a wasteful number, since it uses less digits than its factorization.

489556497066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896623646.

The product of its (nonzero) digits is 391910400, while the sum is 69.

The spelling of 489556497066 in words is "four hundred eighty-nine billion, five hundred fifty-six million, four hundred ninety-seven thousand, sixty-six".