441968447 has 2 divisors, whose sum is σ = 441968448. Its totient is φ = 441968446.

The previous prime is 441968413. The next prime is 441968467. The reversal of 441968447 is 744869144.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 441968447 - 2¹⁶ = 441902911 is a prime.

It is a super-2 number, since 2×441968447² = 390672216287183618, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (441968467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220984223 + 220984224.

It is an arithmetic number, because the mean of its divisors is an integer number (220984224).

Almost surely, 2^441968447 is an apocalyptic number.

441968447 is a deficient number, since it is larger than the sum of its proper divisors (1).

441968447 is an equidigital number, since it uses as much as digits as its factorization.

441968447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 774144, while the sum is 47.

The square root of 441968447 is about 21023.0456166560. The cubic root of 441968447 is about 761.7230337703.

It can be divided in two parts, 44 and 1968447, that multiplied together give a palindrome (86611668).

The spelling of 441968447 in words is "four hundred forty-one million, nine hundred sixty-eight thousand, four hundred forty-seven".