4491003249 has 24 divisors (see below), whose sum is σ = 6715675200. Its totient is φ = 2888615520.

The previous prime is 4491003247. The next prime is 4491003301. The reversal of 4491003249 is 9423001944.

It is not a de Polignac number, because 4491003249 - 2¹ = 4491003247 is a prime.

It is a super-2 number, since 2×4491003249² = 40338220365057112002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4491003247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 393972 + ... + 405210.

It is an arithmetic number, because the mean of its divisors is an integer number (279819800).

Almost surely, 2^4491003249 is an apocalyptic number.

It is an amenable number.

4491003249 is a deficient number, since it is larger than the sum of its proper divisors (2224671951).

4491003249 is a wasteful number, since it uses less digits than its factorization.

4491003249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12805 (or 12802 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 4491003249 is about 67014.9479519308. The cubic root of 4491003249 is about 1649.8626453155.

The spelling of 4491003249 in words is "four billion, four hundred ninety-one million, three thousand, two hundred forty-nine".