4491241663 has 4 divisors (see below), whose sum is σ = 4492941040. Its totient is φ = 4489542288.

The previous prime is 4491241609. The next prime is 4491241669. The reversal of 4491241663 is 3661421944.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4491241663 - 2⁹ = 4491241151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4491241669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 845718 + ... + 851011.

It is an arithmetic number, because the mean of its divisors is an integer number (1123235260).

Almost surely, 2^4491241663 is an apocalyptic number.

4491241663 is a deficient number, since it is larger than the sum of its proper divisors (1699377).

4491241663 is a wasteful number, since it uses less digits than its factorization.

4491241663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1699376.

The product of its digits is 124416, while the sum is 40.

The square root of 4491241663 is about 67016.7267404191. The cubic root of 4491241663 is about 1649.8918402318.

The spelling of 4491241663 in words is "four billion, four hundred ninety-one million, two hundred forty-one thousand, six hundred sixty-three".