9521481132 has 18 divisors (see below), whose sum is σ = 24068188508. Its totient is φ = 3173827032.

The previous prime is 9521481131. The next prime is 9521481139. The reversal of 9521481132 is 2311841259.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 264485587 = 9521481132 / (9 + 5 + 2 + 1 + 4 + 8 + 1 + 1 + 3 + 2).

It is not an unprimeable number, because it can be changed into a prime (9521481131) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 132242758 + ... + 132242829.

Almost surely, 2^9521481132 is an apocalyptic number.

It is an amenable number.

9521481132 is an abundant number, since it is smaller than the sum of its proper divisors (14546707376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9521481132 is a wasteful number, since it uses less digits than its factorization.

9521481132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264485597 (or 264485592 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 9521481132 is about 97578.0771075143. The cubic root of 9521481132 is about 2119.5069112504.

The spelling of 9521481132 in words is "nine billion, five hundred twenty-one million, four hundred eighty-one thousand, one hundred thirty-two".