4238448745 has 8 divisors (see below), whose sum is σ = 5261522760. Its totient is φ = 3273836160.

The previous prime is 4238448737. The next prime is 4238448749. The reversal of 4238448745 is 5478448324.

4238448745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 592825104 + 3645623641 = 24348^2 + 60379^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4238448745 - 2³ = 4238448737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4238448749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14615196 + ... + 14615485.

It is an arithmetic number, because the mean of its divisors is an integer number (657690345).

Almost surely, 2^4238448745 is an apocalyptic number.

It is an amenable number.

4238448745 is a deficient number, since it is larger than the sum of its proper divisors (1023074015).

4238448745 is a wasteful number, since it uses less digits than its factorization.

4238448745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29230715.

The product of its digits is 3440640, while the sum is 49.

The square root of 4238448745 is about 65103.3696900552. The cubic root of 4238448745 is about 1618.3370560686.

The spelling of 4238448745 in words is "four billion, two hundred thirty-eight million, four hundred forty-eight thousand, seven hundred forty-five".