9528490647 has 40 divisors (see below), whose sum is σ = 15857466240. Its totient is φ = 5661472320.

The previous prime is 9528490627. The next prime is 9528490649. The reversal of 9528490647 is 7460948259.

9528490647 is a `hidden beast` number, since 95 + 2 + 8 + 490 + 64 + 7 = 666.

It is not a de Polignac number, because 9528490647 - 2⁶ = 9528490583 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9528490593 and 9528490602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9528490649) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 125479 + ... + 186552.

It is an arithmetic number, because the mean of its divisors is an integer number (396436656).

Almost surely, 2^9528490647 is an apocalyptic number.

9528490647 is a deficient number, since it is larger than the sum of its proper divisors (6328975593).

9528490647 is a wasteful number, since it uses less digits than its factorization.

9528490647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312085 (or 312076 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The square root of 9528490647 is about 97613.9879679137. The cubic root of 9528490647 is about 2120.0268958704.

The spelling of 9528490647 in words is "nine billion, five hundred twenty-eight million, four hundred ninety thousand, six hundred forty-seven".