445745564633741 has 4 divisors (see below), whose sum is σ = 445781416457052. Its totient is φ = 445709712810432.

The previous prime is 445745564633737. The next prime is 445745564633771. The reversal of 445745564633741 is 147336465547544.

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 286569744713641 + 159175819920100 = 16928371^2 + 12616490^2 .

It is a cyclic number.

It is not a de Polignac number, because 445745564633741 - 2² = 445745564633737 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445745564633771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17925893006 + ... + 17925917871.

It is an arithmetic number, because the mean of its divisors is an integer number (111445354114263).

Almost surely, 2^{445745564633741} is an apocalyptic number.

It is an amenable number.

445745564633741 is a deficient number, since it is larger than the sum of its proper divisors (35851823311).

445745564633741 is a wasteful number, since it uses less digits than its factorization.

445745564633741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35851823310.

The product of its digits is 2032128000, while the sum is 68.

The spelling of 445745564633741 in words is "four hundred forty-five trillion, seven hundred forty-five billion, five hundred sixty-four million, six hundred thirty-three thousand, seven hundred forty-one".