9725608448 has 20 divisors (see below), whose sum is σ = 19432222590. Its totient is φ = 4862803968.

The previous prime is 9725608447. The next prime is 9725608457. The reversal of 9725608448 is 8448065279.

It can be written as a sum of positive squares in only one way, i.e., 6139035904 + 3586572544 = 78352^2 + 59888^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 9725608448.

It is not an unprimeable number, because it can be changed into a prime (9725608447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9497153 + ... + 9498176.

Almost surely, 2^9725608448 is an apocalyptic number.

It is an amenable number.

9725608448 is a deficient number, since it is larger than the sum of its proper divisors (9706614142).

9725608448 is an equidigital number, since it uses as much as digits as its factorization.

9725608448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18995347 (or 18995331 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 53.

The square root of 9725608448 is about 98618.4995221485. The cubic root of 9725608448 is about 2134.5463698457.

The spelling of 9725608448 in words is "nine billion, seven hundred twenty-five million, six hundred eight thousand, four hundred forty-eight".