9641131644205 has 32 divisors (see below), whose sum is σ = 11950318540800. Its totient is φ = 7462705231872.

The previous prime is 9641131644173. The next prime is 9641131644227. The reversal of 9641131644205 is 5024461311469.

It is a cyclic number.

It is not a de Polignac number, because 9641131644205 - 2⁵ = 9641131644173 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 132836716 + ... + 132909274.

It is an arithmetic number, because the mean of its divisors is an integer number (373447454400).

Almost surely, 2^{9641131644205} is an apocalyptic number.

It is an amenable number.

9641131644205 is a deficient number, since it is larger than the sum of its proper divisors (2309186896595).

9641131644205 is a wasteful number, since it uses less digits than its factorization.

9641131644205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79053.

The product of its (nonzero) digits is 622080, while the sum is 46.

The spelling of 9641131644205 in words is "nine trillion, six hundred forty-one billion, one hundred thirty-one million, six hundred forty-four thousand, two hundred five".