447044936213 has 4 divisors (see below), whose sum is σ = 447176153280. Its totient is φ = 446913719148.

The previous prime is 447044936159. The next prime is 447044936231. The reversal of 447044936213 is 312639440744.

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 447044936213 - 2¹⁶ = 447044870677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447044936113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65603423 + ... + 65610236.

It is an arithmetic number, because the mean of its divisors is an integer number (111794038320).

Almost surely, 2^447044936213 is an apocalyptic number.

It is an amenable number.

447044936213 is a deficient number, since it is larger than the sum of its proper divisors (131217067).

447044936213 is a wasteful number, since it uses less digits than its factorization.

447044936213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131217066.

The product of its (nonzero) digits is 1741824, while the sum is 47.

The spelling of 447044936213 in words is "four hundred forty-seven billion, forty-four million, nine hundred thirty-six thousand, two hundred thirteen".