944242447 has 2 divisors, whose sum is σ = 944242448. Its totient is φ = 944242446.

The previous prime is 944242427. The next prime is 944242469. The reversal of 944242447 is 744242449.

It is a weak prime.

It is an emirp because it is prime and its reverse (744242449) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-944242447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (944242427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 472121223 + 472121224.

It is an arithmetic number, because the mean of its divisors is an integer number (472121224).

Almost surely, 2^944242447 is an apocalyptic number.

944242447 is a deficient number, since it is larger than the sum of its proper divisors (1).

944242447 is an equidigital number, since it uses as much as digits as its factorization.

944242447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 258048, while the sum is 40.

The square root of 944242447 is about 30728.5282270401. The cubic root of 944242447 is about 981.0576000883.

The spelling of 944242447 in words is "nine hundred forty-four million, two hundred forty-two thousand, four hundred forty-seven".