427671204443 has 4 divisors (see below), whose sum is σ = 488767090800. Its totient is φ = 366575318088.

The previous prime is 427671204431. The next prime is 427671204449. The reversal of 427671204443 is 344402176724.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 427671204443 - 2⁴ = 427671204427 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 427671204394 and 427671204403.

It is not an unprimeable number, because it can be changed into a prime (427671204449) 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, 30547943168 + ... + 30547943181.

It is an arithmetic number, because the mean of its divisors is an integer number (122191772700).

Almost surely, 2^427671204443 is an apocalyptic number.

427671204443 is a deficient number, since it is larger than the sum of its proper divisors (61095886357).

427671204443 is an equidigital number, since it uses as much as digits as its factorization.

427671204443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61095886356.

The product of its (nonzero) digits is 903168, while the sum is 44.

The spelling of 427671204443 in words is "four hundred twenty-seven billion, six hundred seventy-one million, two hundred four thousand, four hundred forty-three".