426244433 has 2 divisors, whose sum is σ = 426244434. Its totient is φ = 426244432.

The previous prime is 426244381. The next prime is 426244439. The reversal of 426244433 is 334442624.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 425060689 + 1183744 = 20617^2 + 1088^2 .

It is a cyclic number.

It is not a de Polignac number, because 426244433 - 2⁸ = 426244177 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 426244433.

It is not a weakly prime, because it can be changed into another prime (426244439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213122216 + 213122217.

It is an arithmetic number, because the mean of its divisors is an integer number (213122217).

Almost surely, 2^426244433 is an apocalyptic number.

It is an amenable number.

426244433 is a deficient number, since it is larger than the sum of its proper divisors (1).

426244433 is an equidigital number, since it uses as much as digits as its factorization.

426244433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296, while the sum is 32.

The square root of 426244433 is about 20645.6880001612. The cubic root of 426244433 is about 752.5804054582.

The spelling of 426244433 in words is "four hundred twenty-six million, two hundred forty-four thousand, four hundred thirty-three".