13631633432065 has 32 divisors (see below), whose sum is σ = 18085043508480. Its totient is φ = 9781071590400.

The previous prime is 13631633432063. The next prime is 13631633432071. The reversal of 13631633432065 is 56023433613631.

It is not a de Polignac number, because 13631633432065 - 2¹ = 13631633432063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13631633432063) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 809821 + ... + 5283850.

It is an arithmetic number, because the mean of its divisors is an integer number (565157609640).

Almost surely, 2^{13631633432065} is an apocalyptic number.

It is an amenable number.

13631633432065 is a deficient number, since it is larger than the sum of its proper divisors (4453410076415).

13631633432065 is a wasteful number, since it uses less digits than its factorization.

13631633432065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6094233.

The product of its (nonzero) digits is 2099520, while the sum is 46.

The spelling of 13631633432065 in words is "thirteen trillion, six hundred thirty-one billion, six hundred thirty-three million, four hundred thirty-two thousand, sixty-five".