424652225209 has 2 divisors, whose sum is σ = 424652225210. Its totient is φ = 424652225208.

The previous prime is 424652225183. The next prime is 424652225219. The reversal of 424652225209 is 902522256424.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 419479019584 + 5173205625 = 647672^2 + 71925^2 .

It is a cyclic number.

It is not a de Polignac number, because 424652225209 - 2⁹ = 424652224697 is a prime.

It is not a weakly prime, because it can be changed into another prime (424652225219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212326112604 + 212326112605.

It is an arithmetic number, because the mean of its divisors is an integer number (212326112605).

Almost surely, 2^424652225209 is an apocalyptic number.

It is an amenable number.

424652225209 is a deficient number, since it is larger than the sum of its proper divisors (1).

424652225209 is an equidigital number, since it uses as much as digits as its factorization.

424652225209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 691200, while the sum is 43.

The spelling of 424652225209 in words is "four hundred twenty-four billion, six hundred fifty-two million, two hundred twenty-five thousand, two hundred nine".