9472240521 has 30 divisors (see below), whose sum is σ = 14210013246. Its totient is φ = 6288105600.

The previous prime is 9472240513. The next prime is 9472240559. The reversal of 9472240521 is 1250422749.

9472240521 is a `hidden beast` number, since 94 + 7 + 2 + 2 + 40 + 521 = 666.

9472240521 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 3 ways, for example, as 2472575625 + 6999664896 = 49725^2 + 83664^2 .

It is not a de Polignac number, because 9472240521 - 2³ = 9472240513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9472240511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 6395101 + ... + 6396581.

Almost surely, 2^9472240521 is an apocalyptic number.

It is an amenable number.

9472240521 is a deficient number, since it is larger than the sum of its proper divisors (4737772725).

9472240521 is an equidigital number, since it uses as much as digits as its factorization.

9472240521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2055 (or 1765 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 9472240521 is about 97325.4361459531. The cubic root of 9472240521 is about 2115.8468978965.

The spelling of 9472240521 in words is "nine billion, four hundred seventy-two million, two hundred forty thousand, five hundred twenty-one".