445423363965 has 24 divisors (see below), whose sum is σ = 772083190008. Its totient is φ = 237554196480.

The previous prime is 445423363963. The next prime is 445423364027. The reversal of 445423363965 is 569363324544.

445423363965 is a `hidden beast` number, since 4 + 4 + 542 + 3 + 3 + 6 + 3 + 96 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 113505652836 + 331917711129 = 336906^2 + 576123^2 .

It is not a de Polignac number, because 445423363965 - 2¹ = 445423363963 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445423363963) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3407005 + ... + 3535325.

It is an arithmetic number, because the mean of its divisors is an integer number (32170132917).

Almost surely, 2^445423363965 is an apocalyptic number.

445423363965 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

445423363965 is a deficient number, since it is larger than the sum of its proper divisors (326659826043).

445423363965 is a wasteful number, since it uses less digits than its factorization.

445423363965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205469 (or 205466 counting only the distinct ones).

The product of its digits is 27993600, while the sum is 54.

The spelling of 445423363965 in words is "four hundred forty-five billion, four hundred twenty-three million, three hundred sixty-three thousand, nine hundred sixty-five".