4436445464421 has 32 divisors (see below), whose sum is σ = 5950136828160. Its totient is φ = 2940251026944.

The previous prime is 4436445464419. The next prime is 4436445464447. The reversal of 4436445464421 is 1244645446344.

It is not a de Polignac number, because 4436445464421 - 2¹ = 4436445464419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4436445464461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 809715360 + ... + 809720838.

It is an arithmetic number, because the mean of its divisors is an integer number (185941775880).

Almost surely, 2^{4436445464421} is an apocalyptic number.

It is an amenable number.

4436445464421 is a deficient number, since it is larger than the sum of its proper divisors (1513691363739).

4436445464421 is a wasteful number, since it uses less digits than its factorization.

4436445464421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7885.

The product of its digits is 17694720, while the sum is 51.

The spelling of 4436445464421 in words is "four trillion, four hundred thirty-six billion, four hundred forty-five million, four hundred sixty-four thousand, four hundred twenty-one".