8449463985 has 16 divisors (see below), whose sum is σ = 13709554560. Its totient is φ = 4442910080.

The previous prime is 8449463969. The next prime is 8449463999. The reversal of 8449463985 is 5893649448.

8449463985 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8449463985 - 2⁴ = 8449463969 is a prime.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 3965820 + ... + 3967949.

It is an arithmetic number, because the mean of its divisors is an integer number (856847160).

Almost surely, 2^8449463985 is an apocalyptic number.

It is an amenable number.

8449463985 is a deficient number, since it is larger than the sum of its proper divisors (5260090575).

8449463985 is a wasteful number, since it uses less digits than its factorization.

8449463985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7933848.

The product of its digits is 29859840, while the sum is 60.

The square root of 8449463985 is about 91920.9659707730. The cubic root of 8449463985 is about 2036.7749876835.

The spelling of 8449463985 in words is "eight billion, four hundred forty-nine million, four hundred sixty-three thousand, nine hundred eighty-five".