445443469617 has 4 divisors (see below), whose sum is σ = 593924626160. Its totient is φ = 296962313076.

The previous prime is 445443469609. The next prime is 445443469633. The reversal of 445443469617 is 716964344544.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 445443469617 - 2³ = 445443469609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (445443469417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74240578267 + ... + 74240578272.

It is an arithmetic number, because the mean of its divisors is an integer number (148481156540).

Almost surely, 2^445443469617 is an apocalyptic number.

It is an amenable number.

445443469617 is a deficient number, since it is larger than the sum of its proper divisors (148481156543).

445443469617 is a wasteful number, since it uses less digits than its factorization.

445443469617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148481156542.

The product of its digits is 34836480, while the sum is 57.

The spelling of 445443469617 in words is "four hundred forty-five billion, four hundred forty-three million, four hundred sixty-nine thousand, six hundred seventeen".