441242447 has 2 divisors, whose sum is σ = 441242448. Its totient is φ = 441242446.

The previous prime is 441242401. The next prime is 441242449. The reversal of 441242447 is 744242144.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-441242447 is a prime.

Together with 441242449, 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 (441242449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220621223 + 220621224.

It is an arithmetic number, because the mean of its divisors is an integer number (220621224).

Almost surely, 2^441242447 is an apocalyptic number.

441242447 is a deficient number, since it is larger than the sum of its proper divisors (1).

441242447 is an equidigital number, since it uses as much as digits as its factorization.

441242447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28672, while the sum is 32.

The square root of 441242447 is about 21005.7717544488. The cubic root of 441242447 is about 761.3057234364.

The spelling of 441242447 in words is "four hundred forty-one million, two hundred forty-two thousand, four hundred forty-seven".