434318256773 has 2 divisors, whose sum is σ = 434318256774. Its totient is φ = 434318256772.

The previous prime is 434318256769. The next prime is 434318256781. The reversal of 434318256773 is 377652813434.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 433512945889 + 805310884 = 658417^2 + 28378^2 .

It is a cyclic number.

It is not a de Polignac number, because 434318256773 - 2² = 434318256769 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (434318256793) 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, 217159128386 + 217159128387.

It is an arithmetic number, because the mean of its divisors is an integer number (217159128387).

Almost surely, 2^434318256773 is an apocalyptic number.

It is an amenable number.

434318256773 is a deficient number, since it is larger than the sum of its proper divisors (1).

434318256773 is an equidigital number, since it uses as much as digits as its factorization.

434318256773 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10160640, while the sum is 53.

The spelling of 434318256773 in words is "four hundred thirty-four billion, three hundred eighteen million, two hundred fifty-six thousand, seven hundred seventy-three".