445605391329 has 32 divisors (see below), whose sum is σ = 692817525504. Its totient is φ = 249470457600.

The previous prime is 445605391313. The next prime is 445605391337. The reversal of 445605391329 is 923193506544.

It is not a de Polignac number, because 445605391329 - 2⁴ = 445605391313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (445605391529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 494647 + ... + 1065779.

It is an arithmetic number, because the mean of its divisors is an integer number (21650547672).

Almost surely, 2^445605391329 is an apocalyptic number.

It is an amenable number.

445605391329 is a deficient number, since it is larger than the sum of its proper divisors (247212134175).

445605391329 is a wasteful number, since it uses less digits than its factorization.

445605391329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571897.

The product of its (nonzero) digits is 3499200, while the sum is 51.

The spelling of 445605391329 in words is "four hundred forty-five billion, six hundred five million, three hundred ninety-one thousand, three hundred twenty-nine".