445104668574173 has 4 divisors (see below), whose sum is σ = 446225839024380. Its totient is φ = 443983498123968.

The previous prime is 445104668574149. The next prime is 445104668574211. The reversal of 445104668574173 is 371475866401544.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 126622739666329 + 318481928907844 = 11252677^2 + 17846062^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-445104668574173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445104668574473) 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, 560585224508 + ... + 560585225301.

It is an arithmetic number, because the mean of its divisors is an integer number (111556459756095).

Almost surely, 2^{445104668574173} is an apocalyptic number.

It is an amenable number.

445104668574173 is a deficient number, since it is larger than the sum of its proper divisors (1121170450207).

445104668574173 is a wasteful number, since it uses less digits than its factorization.

445104668574173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121170450206.

The product of its (nonzero) digits is 270950400, while the sum is 65.

The spelling of 445104668574173 in words is "four hundred forty-five trillion, one hundred four billion, six hundred sixty-eight million, five hundred seventy-four thousand, one hundred seventy-three".