441643613899 has 2 divisors, whose sum is σ = 441643613900. Its totient is φ = 441643613898.

The previous prime is 441643613897. The next prime is 441643613923. The reversal of 441643613899 is 998316346144.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 441643613899 - 2¹ = 441643613897 is a prime.

Together with 441643613897, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (441643613891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220821806949 + 220821806950.

It is an arithmetic number, because the mean of its divisors is an integer number (220821806950).

Almost surely, 2^441643613899 is an apocalyptic number.

441643613899 is a deficient number, since it is larger than the sum of its proper divisors (1).

441643613899 is an equidigital number, since it uses as much as digits as its factorization.

441643613899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13436928, while the sum is 58.

The spelling of 441643613899 in words is "four hundred forty-one billion, six hundred forty-three million, six hundred thirteen thousand, eight hundred ninety-nine".