4481365249 has 3 divisors (see below), whose sum is σ = 4481432193. Its totient is φ = 4481298306.

The previous prime is 4481365247. The next prime is 4481365261. The reversal of 4481365249 is 9425631844.

The square root of 4481365249 is 66943.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 4481365249 - 2¹ = 4481365247 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4481365199 and 4481365208.

It is not an unprimeable number, because it can be changed into a prime (4481365243) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 33472 + ... + 100414.

It is an arithmetic number, because the mean of its divisors is an integer number (1493810731).

Almost surely, 2^4481365249 is an apocalyptic number.

4481365249 is the 66943-rd square number.

4481365249 is the 33472-nd centered octagonal number.

It is an amenable number.

4481365249 is a deficient number, since it is larger than the sum of its proper divisors (66944).

4481365249 is an frugal number, since it uses more digits than its factorization.

4481365249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133886 (or 66943 counting only the distinct ones).

The product of its digits is 829440, while the sum is 46.

The cubic root of 4481365249 is about 1648.6815606727.

The spelling of 4481365249 in words is "four billion, four hundred eighty-one million, three hundred sixty-five thousand, two hundred forty-nine".