441685871611 has 4 divisors (see below), whose sum is σ = 442007566992. Its totient is φ = 441364176232.

The previous prime is 441685871591. The next prime is 441685871647. The reversal of 441685871611 is 116178586144.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 441685871611 - 2⁵ = 441685871579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (441685871111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160845631 + ... + 160848376.

It is an arithmetic number, because the mean of its divisors is an integer number (110501891748).

Almost surely, 2^441685871611 is an apocalyptic number.

441685871611 is a deficient number, since it is larger than the sum of its proper divisors (321695381).

441685871611 is a wasteful number, since it uses less digits than its factorization.

441685871611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321695380.

The product of its digits is 1290240, while the sum is 52.

The spelling of 441685871611 in words is "four hundred forty-one billion, six hundred eighty-five million, eight hundred seventy-one thousand, six hundred eleven".