4491063846 has 16 divisors (see below), whose sum is σ = 9980142000. Its totient is φ = 1497021264.

The previous prime is 4491063827. The next prime is 4491063847. The reversal of 4491063846 is 6483601944.

4491063846 is a `hidden beast` number, since 4 + 4 + 9 + 1 + 0 + 638 + 4 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4491063847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41583871 + ... + 41583978.

It is an arithmetic number, because the mean of its divisors is an integer number (623758875).

Almost surely, 2^4491063846 is an apocalyptic number.

4491063846 is an abundant number, since it is smaller than the sum of its proper divisors (5489078154).

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

4491063846 is a wasteful number, since it uses less digits than its factorization.

4491063846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83167860 (or 83167854 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The square root of 4491063846 is about 67015.4000659550. The cubic root of 4491063846 is about 1649.8700658013.

The spelling of 4491063846 in words is "four billion, four hundred ninety-one million, sixty-three thousand, eight hundred forty-six".