9906488081 has 8 divisors (see below), whose sum is σ = 11987683200. Its totient is φ = 7991788608.

The previous prime is 9906488029. The next prime is 9906488087. The reversal of 9906488081 is 1808846099.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9906488081 - 2³⁰ = 8832746257 is a prime.

It is a super-2 number, since 2×9906488081² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9906488087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41623781 + ... + 41624018.

It is an arithmetic number, because the mean of its divisors is an integer number (1498460400).

Almost surely, 2^9906488081 is an apocalyptic number.

It is an amenable number.

9906488081 is a deficient number, since it is larger than the sum of its proper divisors (2081195119).

9906488081 is a wasteful number, since it uses less digits than its factorization.

9906488081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83247823.

The product of its (nonzero) digits is 995328, while the sum is 53.

The square root of 9906488081 is about 99531.3422043529. The cubic root of 9906488081 is about 2147.6981371844.

The spelling of 9906488081 in words is "nine billion, nine hundred six million, four hundred eighty-eight thousand, eighty-one".