9524897489 has 4 divisors (see below), whose sum is σ = 9853342260. Its totient is φ = 9196452720.

The previous prime is 9524897453. The next prime is 9524897507. The reversal of 9524897489 is 9847984259.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9847984259 = 19 ⋅518314961.

It can be written as a sum of positive squares in 2 ways, for example, as 3094140625 + 6430756864 = 55625^2 + 80192^2 .

It is a cyclic number.

It is not a de Polignac number, because 9524897489 - 2²⁰ = 9523848913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9524897419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164222342 + ... + 164222399.

It is an arithmetic number, because the mean of its divisors is an integer number (2463335565).

Almost surely, 2^9524897489 is an apocalyptic number.

It is an amenable number.

9524897489 is a deficient number, since it is larger than the sum of its proper divisors (328444771).

9524897489 is a wasteful number, since it uses less digits than its factorization.

9524897489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328444770.

The product of its digits is 52254720, while the sum is 65.

The square root of 9524897489 is about 97595.5812985404. The cubic root of 9524897489 is about 2119.7603776425.

The spelling of 9524897489 in words is "nine billion, five hundred twenty-four million, eight hundred ninety-seven thousand, four hundred eighty-nine".