4517072449 has 4 divisors (see below), whose sum is σ = 4530015700. Its totient is φ = 4504129200.

The previous prime is 4517072401. The next prime is 4517072453. The reversal of 4517072449 is 9442707154.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3347432449 + 1169640000 = 57857^2 + 34200^2 .

It is a cyclic number.

It is not a de Polignac number, because 4517072449 - 2¹¹ = 4517070401 is a prime.

It is a super-3 number, since 3×4517072449³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4517072489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6471102 + ... + 6471799.

It is an arithmetic number, because the mean of its divisors is an integer number (1132503925).

Almost surely, 2^4517072449 is an apocalyptic number.

It is an amenable number.

4517072449 is a deficient number, since it is larger than the sum of its proper divisors (12943251).

4517072449 is a wasteful number, since it uses less digits than its factorization.

4517072449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12943250.

The product of its (nonzero) digits is 282240, while the sum is 43.

The square root of 4517072449 is about 67209.1693818634. The cubic root of 4517072449 is about 1653.0488409276.

The spelling of 4517072449 in words is "four billion, five hundred seventeen million, seventy-two thousand, four hundred forty-nine".