9646485571 has 2 divisors, whose sum is σ = 9646485572. Its totient is φ = 9646485570.

The previous prime is 9646485521. The next prime is 9646485671. The reversal of 9646485571 is 1755846469.

9646485571 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9646485571 - 2⁹ = 9646485059 is a prime.

It is a super-2 number, since 2×9646485571² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9646485521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4823242785 + 4823242786.

It is an arithmetic number, because the mean of its divisors is an integer number (4823242786).

Almost surely, 2^9646485571 is an apocalyptic number.

9646485571 is a deficient number, since it is larger than the sum of its proper divisors (1).

9646485571 is an equidigital number, since it uses as much as digits as its factorization.

9646485571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7257600, while the sum is 55.

The square root of 9646485571 is about 98216.5239203669. The cubic root of 9646485571 is about 2128.7420530362.

The spelling of 9646485571 in words is "nine billion, six hundred forty-six million, four hundred eighty-five thousand, five hundred seventy-one".