9481509888 has 88 divisors (see below), whose sum is σ = 25955010192. Its totient is φ = 3075047424.

The previous prime is 9481509887. The next prime is 9481509901. The reversal of 9481509888 is 8889051849.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9481509887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71956 + ... + 155372.

Almost surely, 2^9481509888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9481509888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12977505096).

9481509888 is an abundant number, since it is smaller than the sum of its proper divisors (16473500304).

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

9481509888 is a wasteful number, since it uses less digits than its factorization.

9481509888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83477 (or 83459 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 60.

The square root of 9481509888 is about 97373.0449765231. The cubic root of 9481509888 is about 2116.5368496682.

The spelling of 9481509888 in words is "nine billion, four hundred eighty-one million, five hundred nine thousand, eight hundred eighty-eight".