9645500509641 has 24 divisors (see below), whose sum is σ = 13962066842880. Its totient is φ = 6416637637536.

The previous prime is 9645500509607. The next prime is 9645500509699. The reversal of 9645500509641 is 1469050055469.

9645500509641 is a `hidden beast` number, since 9 + 6 + 4 + 5 + 500 + 5 + 0 + 96 + 41 = 666.

It is not a de Polignac number, because 9645500509641 - 2¹⁴ = 9645500493257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9645500509741) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 195811171 + ... + 195860423.

It is an arithmetic number, because the mean of its divisors is an integer number (581752785120).

Almost surely, 2^{9645500509641} is an apocalyptic number.

It is an amenable number.

9645500509641 is a deficient number, since it is larger than the sum of its proper divisors (4316566333239).

9645500509641 is a wasteful number, since it uses less digits than its factorization.

9645500509641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95165 (or 95162 counting only the distinct ones).

The product of its (nonzero) digits is 5832000, while the sum is 54.

The spelling of 9645500509641 in words is "nine trillion, six hundred forty-five billion, five hundred million, five hundred nine thousand, six hundred forty-one".