447791941 has 2 divisors, whose sum is σ = 447791942. Its totient is φ = 447791940.

The previous prime is 447791909. The next prime is 447791957. The reversal of 447791941 is 149197744.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 363703041 + 84088900 = 19071^2 + 9170^2 .

It is a cyclic number.

It is not a de Polignac number, because 447791941 - 2⁵ = 447791909 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 447791891 and 447791900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (447792941) 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, 223895970 + 223895971.

It is an arithmetic number, because the mean of its divisors is an integer number (223895971).

Almost surely, 2^447791941 is an apocalyptic number.

It is an amenable number.

447791941 is a deficient number, since it is larger than the sum of its proper divisors (1).

447791941 is an equidigital number, since it uses as much as digits as its factorization.

447791941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 254016, while the sum is 46.

The square root of 447791941 is about 21161.0949858461. The cubic root of 447791941 is about 765.0540016274.

The spelling of 447791941 in words is "four hundred forty-seven million, seven hundred ninety-one thousand, nine hundred forty-one".