3644456544463 has 8 divisors (see below), whose sum is σ = 4206331740960. Its totient is φ = 3092890984800.

The previous prime is 3644456544409. The next prime is 3644456544473.

3644456544463 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3644456544463 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3644456544398 and 3644456544407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3644456544473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2577408448 + ... + 2577409861.

It is an arithmetic number, because the mean of its divisors is an integer number (525791467620).

Almost surely, 2^{3644456544463} is an apocalyptic number.

3644456544463 is a deficient number, since it is larger than the sum of its proper divisors (561875196497).

3644456544463 is a wasteful number, since it uses less digits than its factorization.

3644456544463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5154818417.

The product of its digits is 199065600, while the sum is 58.

The spelling of 3644456544463 in words is "three trillion, six hundred forty-four billion, four hundred fifty-six million, five hundred forty-four thousand, four hundred sixty-three".