4491432603 has 48 divisors (see below), whose sum is σ = 7601468160. Its totient is φ = 2502021312.

The previous prime is 4491432601. The next prime is 4491432611. The reversal of 4491432603 is 3062341944.

It is a happy number.

4491432603 is a `hidden beast` number, since 4 + 4 + 9 + 1 + 43 + 2 + 603 = 666.

It is not a de Polignac number, because 4491432603 - 2¹ = 4491432601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4491432601) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1767708 + ... + 1770246.

It is an arithmetic number, because the mean of its divisors is an integer number (158363920).

Almost surely, 2^4491432603 is an apocalyptic number.

4491432603 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

4491432603 is a deficient number, since it is larger than the sum of its proper divisors (3110035557).

4491432603 is a wasteful number, since it uses less digits than its factorization.

4491432603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3248 (or 3245 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The square root of 4491432603 is about 67018.1512950037. The cubic root of 4491432603 is about 1649.9152209884.

The spelling of 4491432603 in words is "four billion, four hundred ninety-one million, four hundred thirty-two thousand, six hundred three".