445747226522417 has 4 divisors (see below), whose sum is σ = 446562120904176. Its totient is φ = 444932332140660.

The previous prime is 445747226522393. The next prime is 445747226522459. The reversal of 445747226522417 is 714225622747544.

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 a cyclic number.

It is not a de Polignac number, because 445747226522417 - 2³² = 445742931555121 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 445747226522417.

It is not an unprimeable number, because it can be changed into a prime (445747226522497) 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, 407447190059 + ... + 407447191152.

It is an arithmetic number, because the mean of its divisors is an integer number (111640530226044).

Almost surely, 2^{445747226522417} is an apocalyptic number.

It is an amenable number.

445747226522417 is a deficient number, since it is larger than the sum of its proper divisors (814894381759).

445747226522417 is an equidigital number, since it uses as much as digits as its factorization.

445747226522417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814894381758.

The product of its digits is 210739200, while the sum is 62.

The spelling of 445747226522417 in words is "four hundred forty-five trillion, seven hundred forty-seven billion, two hundred twenty-six million, five hundred twenty-two thousand, four hundred seventeen".