424234509553 has 2 divisors, whose sum is σ = 424234509554. Its totient is φ = 424234509552.

The previous prime is 424234509467. The next prime is 424234509563. The reversal of 424234509553 is 355905432424.

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., 243160430769 + 181074078784 = 493113^2 + 425528^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-424234509553 is a prime.

It is not a weakly prime, because it can be changed into another prime (424234509563) 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, 212117254776 + 212117254777.

It is an arithmetic number, because the mean of its divisors is an integer number (212117254777).

Almost surely, 2^424234509553 is an apocalyptic number.

It is an amenable number.

424234509553 is a deficient number, since it is larger than the sum of its proper divisors (1).

424234509553 is an equidigital number, since it uses as much as digits as its factorization.

424234509553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592000, while the sum is 46.

The spelling of 424234509553 in words is "four hundred twenty-four billion, two hundred thirty-four million, five hundred nine thousand, five hundred fifty-three".