8444517941 has 2 divisors, whose sum is σ = 8444517942. Its totient is φ = 8444517940.

The previous prime is 8444517937. The next prime is 8444517943. The reversal of 8444517941 is 1497154448.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6302772100 + 2141745841 = 79390^2 + 46279^2 .

It is a cyclic number.

It is not a de Polignac number, because 8444517941 - 2² = 8444517937 is a prime.

Together with 8444517943, 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 (8444517943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4222258970 + 4222258971.

It is an arithmetic number, because the mean of its divisors is an integer number (4222258971).

Almost surely, 2^8444517941 is an apocalyptic number.

It is an amenable number.

8444517941 is a deficient number, since it is larger than the sum of its proper divisors (1).

8444517941 is an equidigital number, since it uses as much as digits as its factorization.

8444517941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 645120, while the sum is 47.

The square root of 8444517941 is about 91894.0582464394. The cubic root of 8444517941 is about 2036.3774892929.

The spelling of 8444517941 in words is "eight billion, four hundred forty-four million, five hundred seventeen thousand, nine hundred forty-one".