445311412321 has 4 divisors (see below), whose sum is σ = 445595594752. Its totient is φ = 445027229892.

The previous prime is 445311412283. The next prime is 445311412331. The reversal of 445311412321 is 123214113544.

It is a happy number.

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 445311412321 - 2¹¹ = 445311410273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (445311412331) 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 3 ways as a sum of consecutive naturals, for example, 142088865 + ... + 142091998.

It is an arithmetic number, because the mean of its divisors is an integer number (111398898688).

Almost surely, 2^445311412321 is an apocalyptic number.

It is an amenable number.

445311412321 is a deficient number, since it is larger than the sum of its proper divisors (284182431).

445311412321 is a wasteful number, since it uses less digits than its factorization.

445311412321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284182430.

The product of its digits is 11520, while the sum is 31.

Adding to 445311412321 its reverse (123214113544), we get a palindrome (568525525865).

The spelling of 445311412321 in words is "four hundred forty-five billion, three hundred eleven million, four hundred twelve thousand, three hundred twenty-one".