441421366687 has 4 divisors (see below), whose sum is σ = 504481561936. Its totient is φ = 378361171440.

The previous prime is 441421366651. The next prime is 441421366717. The reversal of 441421366687 is 786663124144.

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

It is not a de Polignac number, because 441421366687 - 2⁷ = 441421366559 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 (441421366987) 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, 31530097614 + ... + 31530097627.

It is an arithmetic number, because the mean of its divisors is an integer number (126120390484).

Almost surely, 2^441421366687 is an apocalyptic number.

441421366687 is a deficient number, since it is larger than the sum of its proper divisors (63060195249).

441421366687 is an equidigital number, since it uses as much as digits as its factorization.

441421366687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63060195248.

The product of its digits is 4644864, while the sum is 52.

The spelling of 441421366687 in words is "four hundred forty-one billion, four hundred twenty-one million, three hundred sixty-six thousand, six hundred eighty-seven".