4436444464421 has 8 divisors (see below), whose sum is σ = 4442729498880. Its totient is φ = 4430162322288.

The previous prime is 4436444464409. The next prime is 4436444464447. The reversal of 4436444464421 is 1244644446344.

4436444464421 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 4436444464421 - 2⁴² = 38397953317 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4436444464421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4436444464471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2356100 + ... + 3797906.

It is an arithmetic number, because the mean of its divisors is an integer number (555341187360).

Almost surely, 2^{4436444464421} is an apocalyptic number.

It is an amenable number.

4436444464421 is a deficient number, since it is larger than the sum of its proper divisors (6285034459).

4436444464421 is a wasteful number, since it uses less digits than its factorization.

4436444464421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1446163.

The product of its digits is 14155776, while the sum is 50.

The spelling of 4436444464421 in words is "four trillion, four hundred thirty-six billion, four hundred forty-four million, four hundred sixty-four thousand, four hundred twenty-one".