441021043 has 2 divisors, whose sum is σ = 441021044. Its totient is φ = 441021042.

The previous prime is 441021041. The next prime is 441021071. The reversal of 441021043 is 340120144.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 441021043 - 2¹ = 441021041 is a prime.

Together with 441021041, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 441021043.

It is not a weakly prime, because it can be changed into another prime (441021041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220510521 + 220510522.

It is an arithmetic number, because the mean of its divisors is an integer number (220510522).

Almost surely, 2^441021043 is an apocalyptic number.

441021043 is a deficient number, since it is larger than the sum of its proper divisors (1).

441021043 is an equidigital number, since it uses as much as digits as its factorization.

441021043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 441021043 is about 21000.5010178329. The cubic root of 441021043 is about 761.1783676530.

Adding to 441021043 its reverse (340120144), we get a palindrome (781141187).

The spelling of 441021043 in words is "four hundred forty-one million, twenty-one thousand, forty-three".