434412533346221 has 2 divisors, whose sum is σ = 434412533346222. Its totient is φ = 434412533346220.

The previous prime is 434412533346167. The next prime is 434412533346277. The reversal of 434412533346221 is 122643335214434.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 256963785408100 + 177448747938121 = 16030090^2 + 13320989^2 .

It is a cyclic number.

It is not a de Polignac number, because 434412533346221 - 2⁶ = 434412533346157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (434412533346521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217206266673110 + 217206266673111.

It is an arithmetic number, because the mean of its divisors is an integer number (217206266673111).

Almost surely, 2^{434412533346221} is an apocalyptic number.

It is an amenable number.

434412533346221 is a deficient number, since it is larger than the sum of its proper divisors (1).

434412533346221 is an equidigital number, since it uses as much as digits as its factorization.

434412533346221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4976640, while the sum is 47.

The spelling of 434412533346221 in words is "four hundred thirty-four trillion, four hundred twelve billion, five hundred thirty-three million, three hundred forty-six thousand, two hundred twenty-one".