4489281612 has 18 divisors (see below), whose sum is σ = 11347906388. Its totient is φ = 1496427192.

The previous prime is 4489281547. The next prime is 4489281653. The reversal of 4489281612 is 2161829844.

4489281612 is a `hidden beast` number, since 4 + 4 + 8 + 9 + 28 + 1 + 612 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 62351098 + ... + 62351169.

Almost surely, 2^4489281612 is an apocalyptic number.

It is an amenable number.

4489281612 is an abundant number, since it is smaller than the sum of its proper divisors (6858624776).

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

4489281612 is a wasteful number, since it uses less digits than its factorization.

4489281612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124702277 (or 124702272 counting only the distinct ones).

The product of its digits is 221184, while the sum is 45.

The square root of 4489281612 is about 67002.1015491305. The cubic root of 4489281612 is about 1649.6517920858.

The spelling of 4489281612 in words is "four billion, four hundred eighty-nine million, two hundred eighty-one thousand, six hundred twelve".