3631633120643 has 32 divisors (see below), whose sum is σ = 4267830927360. Its totient is φ = 3054590209440.

The previous prime is 3631633120607. The next prime is 3631633120697. The reversal of 3631633120643 is 3460213361363.

3631633120643 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3631633120643 - 2¹⁶ = 3631633055107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3631633120643.

It is not an unprimeable number, because it can be changed into a prime (3631633120343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85022630 + ... + 85065332.

It is an arithmetic number, because the mean of its divisors is an integer number (133369716480).

Almost surely, 2^{3631633120643} is an apocalyptic number.

3631633120643 is a deficient number, since it is larger than the sum of its proper divisors (636197806717).

3631633120643 is a wasteful number, since it uses less digits than its factorization.

3631633120643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52239.

The product of its (nonzero) digits is 419904, while the sum is 41.

The spelling of 3631633120643 in words is "three trillion, six hundred thirty-one billion, six hundred thirty-three million, one hundred twenty thousand, six hundred forty-three".