4447542663 has 12 divisors (see below), whose sum is σ = 6442431840. Its totient is φ = 2956626816.

The previous prime is 4447542607. The next prime is 4447542707. The reversal of 4447542663 is 3662457444.

4447542663 is a `hidden beast` number, since 4 + 4 + 47 + 542 + 6 + 63 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-4447542663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4447552663) 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 11 ways as a sum of consecutive naturals, for example, 696783 + ... + 703136.

It is an arithmetic number, because the mean of its divisors is an integer number (536869320).

Almost surely, 2^4447542663 is an apocalyptic number.

4447542663 is a deficient number, since it is larger than the sum of its proper divisors (1994889177).

4447542663 is a wasteful number, since it uses less digits than its factorization.

4447542663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1400278 (or 1400275 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 45.

The square root of 4447542663 is about 66689.8992576837. The cubic root of 4447542663 is about 1644.5233373479.

The spelling of 4447542663 in words is "four billion, four hundred forty-seven million, five hundred forty-two thousand, six hundred sixty-three".