9655656845 has 12 divisors (see below), whose sum is σ = 11728111836. Its totient is φ = 7631431680.

The previous prime is 9655656833. The next prime is 9655656853. The reversal of 9655656845 is 5486565569.

9655656845 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3120227881 + 6535428964 = 55859^2 + 80842^2 .

It is not a de Polignac number, because 9655656845 - 2¹⁸ = 9655394701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 105716 + ... + 174605.

It is an arithmetic number, because the mean of its divisors is an integer number (977342653).

Almost surely, 2^9655656845 is an apocalyptic number.

It is an amenable number.

9655656845 is a deficient number, since it is larger than the sum of its proper divisors (2072454991).

9655656845 is an equidigital number, since it uses as much as digits as its factorization.

9655656845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280492 (or 280409 counting only the distinct ones).

The product of its digits is 38880000, while the sum is 59.

The square root of 9655656845 is about 98263.2018865659. The cubic root of 9655656845 is about 2129.4164642020.

The spelling of 9655656845 in words is "nine billion, six hundred fifty-five million, six hundred fifty-six thousand, eight hundred forty-five".