4991543504 has 20 divisors (see below), whose sum is σ = 10180122240. Its totient is φ = 2364415200.

The previous prime is 4991543477. The next prime is 4991543507. The reversal of 4991543504 is 4053451994.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4991543507) 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 3 ways as a sum of consecutive naturals, for example, 8209472 + ... + 8210079.

It is an arithmetic number, because the mean of its divisors is an integer number (509006112).

Almost surely, 2^4991543504 is an apocalyptic number.

It is an amenable number.

4991543504 is an abundant number, since it is smaller than the sum of its proper divisors (5188578736).

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

4991543504 is a wasteful number, since it uses less digits than its factorization.

4991543504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16419578 (or 16419572 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 44.

The square root of 4991543504 is about 70650.8563571596. The cubic root of 4991543504 is about 1709.0113756959.

The spelling of 4991543504 in words is "four billion, nine hundred ninety-one million, five hundred forty-three thousand, five hundred four".