4445689841409 has 16 divisors (see below), whose sum is σ = 6014084215680. Its totient is φ = 2920586161920.

The previous prime is 4445689841399. The next prime is 4445689841449. The reversal of 4445689841409 is 9041489865444.

It is not a de Polignac number, because 4445689841409 - 2¹⁶ = 4445689775873 is a prime.

It is a super-2 number, since 2×4445689841409² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4445689841409.

It is not an unprimeable number, because it can be changed into a prime (4445689841449) 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 15 ways as a sum of consecutive naturals, for example, 4800424 + ... + 5651145.

It is an arithmetic number, because the mean of its divisors is an integer number (375880263480).

Almost surely, 2^{4445689841409} is an apocalyptic number.

It is an amenable number.

4445689841409 is a deficient number, since it is larger than the sum of its proper divisors (1568394374271).

4445689841409 is a wasteful number, since it uses less digits than its factorization.

4445689841409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10453640.

The product of its (nonzero) digits is 159252480, while the sum is 66.

The spelling of 4445689841409 in words is "four trillion, four hundred forty-five billion, six hundred eighty-nine million, eight hundred forty-one thousand, four hundred nine".