489991600036 has 27 divisors (see below), whose sum is σ = 865838778987. Its totient is φ = 242631920280.

The previous prime is 489991600013. The next prime is 489991600073. The reversal of 489991600036 is 630006199984.

The square root of 489991600036 is 699994.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 489991600036.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 149797081 + ... + 149800351.

Almost surely, 2^489991600036 is an apocalyptic number.

489991600036 is the 699994-th square number.

It is an amenable number.

489991600036 is a deficient number, since it is larger than the sum of its proper divisors (375847178951).

489991600036 is an frugal number, since it uses more digits than its factorization.

489991600036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6760 (or 3380 counting only the distinct ones).

The product of its (nonzero) digits is 2519424, while the sum is 55.

The spelling of 489991600036 in words is "four hundred eighty-nine billion, nine hundred ninety-one million, six hundred thousand, thirty-six".