441716981 has 2 divisors, whose sum is σ = 441716982. Its totient is φ = 441716980.

The previous prime is 441716939. The next prime is 441716983. The reversal of 441716981 is 189617144.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 433014481 + 8702500 = 20809^2 + 2950^2 .

It is a cyclic number.

It is not a de Polignac number, because 441716981 - 2²² = 437522677 is a prime.

It is a super-2 number, since 2×441716981² = 390227782607508722, which contains 22 as substring.

Together with 441716983, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (441716983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220858490 + 220858491.

It is an arithmetic number, because the mean of its divisors is an integer number (220858491).

Almost surely, 2^441716981 is an apocalyptic number.

It is an amenable number.

441716981 is a deficient number, since it is larger than the sum of its proper divisors (1).

441716981 is an equidigital number, since it uses as much as digits as its factorization.

441716981 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 41.

The square root of 441716981 is about 21017.0640432959. The cubic root of 441716981 is about 761.5785409637.

The spelling of 441716981 in words is "four hundred forty-one million, seven hundred sixteen thousand, nine hundred eighty-one".