814544473 has 2 divisors, whose sum is σ = 814544474. Its totient is φ = 814544472.

The previous prime is 814544441. The next prime is 814544503. The reversal of 814544473 is 374445418.

814544473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 605799769 + 208744704 = 24613^2 + 14448^2 .

It is a cyclic number.

It is not a de Polignac number, because 814544473 - 2⁵ = 814544441 is a prime.

It is not a weakly prime, because it can be changed into another prime (814514473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 407272236 + 407272237.

It is an arithmetic number, because the mean of its divisors is an integer number (407272237).

Almost surely, 2^814544473 is an apocalyptic number.

It is an amenable number.

814544473 is a deficient number, since it is larger than the sum of its proper divisors (1).

814544473 is an equidigital number, since it uses as much as digits as its factorization.

814544473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 215040, while the sum is 40.

The square root of 814544473 is about 28540.2255246871. The cubic root of 814544473 is about 933.9098021926.

The spelling of 814544473 in words is "eight hundred fourteen million, five hundred forty-four thousand, four hundred seventy-three".