4407242549 has 4 divisors (see below), whose sum is σ = 4559216460. Its totient is φ = 4255268640.

The previous prime is 4407242509. The next prime is 4407242591. The reversal of 4407242549 is 9452427044.

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 3622234225 + 785008324 = 60185^2 + 28018^2 .

It is a cyclic number.

It is not a de Polignac number, because 4407242549 - 2¹⁶ = 4407177013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4407242509) 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, 75986912 + ... + 75986969.

It is an arithmetic number, because the mean of its divisors is an integer number (1139804115).

Almost surely, 2^4407242549 is an apocalyptic number.

It is an amenable number.

4407242549 is a deficient number, since it is larger than the sum of its proper divisors (151973911).

4407242549 is a wasteful number, since it uses less digits than its factorization.

4407242549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151973910.

The product of its (nonzero) digits is 322560, while the sum is 41.

The square root of 4407242549 is about 66387.0661273715. The cubic root of 4407242549 is about 1639.5411353804.

The spelling of 4407242549 in words is "four billion, four hundred seven million, two hundred forty-two thousand, five hundred forty-nine".