434120320444253 has 2 divisors, whose sum is σ = 434120320444254. Its totient is φ = 434120320444252.

The previous prime is 434120320444211. The next prime is 434120320444259. The reversal of 434120320444253 is 352444023021434.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 342561870014329 + 91558450429924 = 18508427^2 + 9568618^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-434120320444253 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 434120320444253.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (434120320444259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217060160222126 + 217060160222127.

It is an arithmetic number, because the mean of its divisors is an integer number (217060160222127).

Almost surely, 2^{434120320444253} is an apocalyptic number.

It is an amenable number.

434120320444253 is a deficient number, since it is larger than the sum of its proper divisors (1).

434120320444253 is an equidigital number, since it uses as much as digits as its factorization.

434120320444253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1105920, while the sum is 41.

Adding to 434120320444253 its reverse (352444023021434), we get a palindrome (786564343465687).

The spelling of 434120320444253 in words is "four hundred thirty-four trillion, one hundred twenty billion, three hundred twenty million, four hundred forty-four thousand, two hundred fifty-three".