441457811 has 2 divisors, whose sum is σ = 441457812. Its totient is φ = 441457810.

The previous prime is 441457777. The next prime is 441457843. The reversal of 441457811 is 118754144.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-441457811 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a zygodrome in base 6.

It is not a weakly prime, because it can be changed into another prime (441453811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220728905 + 220728906.

It is an arithmetic number, because the mean of its divisors is an integer number (220728906).

Almost surely, 2^441457811 is an apocalyptic number.

441457811 is a deficient number, since it is larger than the sum of its proper divisors (1).

441457811 is an equidigital number, since it uses as much as digits as its factorization.

441457811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17920, while the sum is 35.

The square root of 441457811 is about 21010.8974344267. The cubic root of 441457811 is about 761.4295640287.

The spelling of 441457811 in words is "four hundred forty-one million, four hundred fifty-seven thousand, eight hundred eleven".