441871745687 has 4 divisors (see below), whose sum is σ = 452147832840. Its totient is φ = 431595658536.

The previous prime is 441871745683. The next prime is 441871745701. The reversal of 441871745687 is 786547178144.

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 441871745687 - 2² = 441871745683 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441871745683) 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, 5138043512 + ... + 5138043597.

It is an arithmetic number, because the mean of its divisors is an integer number (113036958210).

Almost surely, 2^441871745687 is an apocalyptic number.

441871745687 is a deficient number, since it is larger than the sum of its proper divisors (10276087153).

441871745687 is a wasteful number, since it uses less digits than its factorization.

441871745687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10276087152.

The product of its digits is 42147840, while the sum is 62.

The spelling of 441871745687 in words is "four hundred forty-one billion, eight hundred seventy-one million, seven hundred forty-five thousand, six hundred eighty-seven".