434213032321 has 2 divisors, whose sum is σ = 434213032322. Its totient is φ = 434213032320.

The previous prime is 434213032303. The next prime is 434213032373. The reversal of 434213032321 is 123230312434.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 377456640625 + 56756391696 = 614375^2 + 238236^2 .

It is a cyclic number.

It is not a de Polignac number, because 434213032321 - 2¹⁵ = 434212999553 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 434213032321.

It is not a weakly prime, because it can be changed into another prime (434213032301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217106516160 + 217106516161.

It is an arithmetic number, because the mean of its divisors is an integer number (217106516161).

Almost surely, 2^434213032321 is an apocalyptic number.

It is an amenable number.

434213032321 is a deficient number, since it is larger than the sum of its proper divisors (1).

434213032321 is an equidigital number, since it uses as much as digits as its factorization.

434213032321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 434213032321 its reverse (123230312434), we get a palindrome (557443344755).

The spelling of 434213032321 in words is "four hundred thirty-four billion, two hundred thirteen million, thirty-two thousand, three hundred twenty-one".