4644352421443 has 8 divisors (see below), whose sum is σ = 5313400949088. Its totient is φ = 3976696296384.

The previous prime is 4644352421411. The next prime is 4644352421453. The reversal of 4644352421443 is 3441242534464.

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

It is not a de Polignac number, because 4644352421443 - 2⁵ = 4644352421411 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4644352421393 and 4644352421402.

It is not an unprimeable number, because it can be changed into a prime (4644352421453) 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 7 ways as a sum of consecutive naturals, for example, 348093496 + ... + 348106837.

It is an arithmetic number, because the mean of its divisors is an integer number (664175118636).

Almost surely, 2^{4644352421443} is an apocalyptic number.

4644352421443 is a deficient number, since it is larger than the sum of its proper divisors (669048527645).

4644352421443 is an equidigital number, since it uses as much as digits as its factorization.

4644352421443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696201293.

The product of its digits is 4423680, while the sum is 46.

The spelling of 4644352421443 in words is "four trillion, six hundred forty-four billion, three hundred fifty-two million, four hundred twenty-one thousand, four hundred forty-three".