9604728081 has 24 divisors (see below), whose sum is σ = 14947621416. Its totient is φ = 5907859200.

The previous prime is 9604728073. The next prime is 9604728083. The reversal of 9604728081 is 1808274069.

It can be written as a sum of positive squares in 4 ways, for example, as 63345681 + 9541382400 = 7959^2 + 97680^2 .

It is not a de Polignac number, because 9604728081 - 2³ = 9604728073 is a prime.

It is a super-2 number, since 2×9604728081² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9604728083) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 250381 + ... + 286181.

It is an arithmetic number, because the mean of its divisors is an integer number (622817559).

Almost surely, 2^9604728081 is an apocalyptic number.

It is an amenable number.

9604728081 is a deficient number, since it is larger than the sum of its proper divisors (5342893335).

9604728081 is a wasteful number, since it uses less digits than its factorization.

9604728081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38113 (or 38110 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 9604728081 is about 98003.7146285793. The cubic root of 9604728081 is about 2125.6659933078.

The spelling of 9604728081 in words is "nine billion, six hundred four million, seven hundred twenty-eight thousand, eighty-one".