3644664664463 has 4 divisors (see below), whose sum is σ = 3645032785128. Its totient is φ = 3644296543800.

The previous prime is 3644664664439. The next prime is 3644664664493.

3644664664463 is nontrivially palindromic in base 10.

3644664664463 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3644664664463 - 2¹⁰ = 3644664663439 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3644664664396 and 3644664664405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3644664664423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184045481 + ... + 184065282.

It is an arithmetic number, because the mean of its divisors is an integer number (911258196282).

Almost surely, 2^{3644664664463} is an apocalyptic number.

3644664664463 is a deficient number, since it is larger than the sum of its proper divisors (368120665).

3644664664463 is an equidigital number, since it uses as much as digits as its factorization.

3644664664463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368120664.

The product of its digits is 429981696, while the sum is 62.

The spelling of 3644664664463 in words is "three trillion, six hundred forty-four billion, six hundred sixty-four million, six hundred sixty-four thousand, four hundred sixty-three".