434041230421 has 2 divisors, whose sum is σ = 434041230422. Its totient is φ = 434041230420.

The previous prime is 434041230401. The next prime is 434041230451. The reversal of 434041230421 is 124032140434.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 322726248100 + 111314982321 = 568090^2 + 333639^2 .

It is a cyclic number.

It is not a de Polignac number, because 434041230421 - 2¹¹ = 434041228373 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 434041230421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (434041230401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217020615210 + 217020615211.

It is an arithmetic number, because the mean of its divisors is an integer number (217020615211).

Almost surely, 2^434041230421 is an apocalyptic number.

It is an amenable number.

434041230421 is a deficient number, since it is larger than the sum of its proper divisors (1).

434041230421 is an equidigital number, since it uses as much as digits as its factorization.

434041230421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 434041230421 its reverse (124032140434), we get a palindrome (558073370855).

The spelling of 434041230421 in words is "four hundred thirty-four billion, forty-one million, two hundred thirty thousand, four hundred twenty-one".