9671485081 has 4 divisors (see below), whose sum is σ = 9803971252. Its totient is φ = 9538998912.

The previous prime is 9671485049. The next prime is 9671485091. The reversal of 9671485081 is 1805841769.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6965404681 + 2706080400 = 83459^2 + 52020^2 .

It is a cyclic number.

It is not a de Polignac number, because 9671485081 - 2⁵ = 9671485049 is a prime.

It is a super-2 number, since 2×9671485081² (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 (9671485001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66242976 + ... + 66243121.

It is an arithmetic number, because the mean of its divisors is an integer number (2450992813).

Almost surely, 2^9671485081 is an apocalyptic number.

It is an amenable number.

9671485081 is a deficient number, since it is larger than the sum of its proper divisors (132486171).

9671485081 is a wasteful number, since it uses less digits than its factorization.

9671485081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132486170.

The product of its (nonzero) digits is 483840, while the sum is 49.

The square root of 9671485081 is about 98343.7089040270. The cubic root of 9671485081 is about 2130.5793923686.

The spelling of 9671485081 in words is "nine billion, six hundred seventy-one million, four hundred eighty-five thousand, eighty-one".