424442200321 has 2 divisors, whose sum is σ = 424442200322. Its totient is φ = 424442200320.

The previous prime is 424442200313. The next prime is 424442200337. The reversal of 424442200321 is 123002244424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 318817200321 + 105625000000 = 564639^2 + 325000^2 .

It is a cyclic number.

It is not a de Polignac number, because 424442200321 - 2³ = 424442200313 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 424442200321.

It is not a weakly prime, because it can be changed into another prime (424442200381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212221100160 + 212221100161.

It is an arithmetic number, because the mean of its divisors is an integer number (212221100161).

Almost surely, 2^424442200321 is an apocalyptic number.

It is an amenable number.

424442200321 is a deficient number, since it is larger than the sum of its proper divisors (1).

424442200321 is an equidigital number, since it uses as much as digits as its factorization.

424442200321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 424442200321 its reverse (123002244424), we get a palindrome (547444444745).

The spelling of 424442200321 in words is "four hundred twenty-four billion, four hundred forty-two million, two hundred thousand, three hundred twenty-one".