544444447 has 2 divisors, whose sum is σ = 544444448. Its totient is φ = 544444446.

The previous prime is 544444423. The next prime is 544444451. The reversal of 544444447 is 744444445.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 544444447 - 2⁷ = 544444319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (544448447) 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, 272222223 + 272222224.

It is an arithmetic number, because the mean of its divisors is an integer number (272222224).

Almost surely, 2^544444447 is an apocalyptic number.

544444447 is a deficient number, since it is larger than the sum of its proper divisors (1).

544444447 is an equidigital number, since it uses as much as digits as its factorization.

544444447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 573440, while the sum is 40.

The square root of 544444447 is about 23333.3333880952. Note that the first 4 decimals coincide. The cubic root of 544444447 is about 816.5532735153.

The spelling of 544444447 in words is "five hundred forty-four million, four hundred forty-four thousand, four hundred forty-seven".