424020241321 has 2 divisors, whose sum is σ = 424020241322. Its totient is φ = 424020241320.

The previous prime is 424020241289. The next prime is 424020241339. The reversal of 424020241321 is 123142020424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 221690305600 + 202329935721 = 470840^2 + 449811^2 .

It is a cyclic number.

It is not a de Polignac number, because 424020241321 - 2⁵ = 424020241289 is a prime.

It is not a weakly prime, because it can be changed into another prime (424020241391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212010120660 + 212010120661.

It is an arithmetic number, because the mean of its divisors is an integer number (212010120661).

Almost surely, 2^424020241321 is an apocalyptic number.

It is an amenable number.

424020241321 is a deficient number, since it is larger than the sum of its proper divisors (1).

424020241321 is an equidigital number, since it uses as much as digits as its factorization.

424020241321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 424020241321 its reverse (123142020424), we get a palindrome (547162261745).

The spelling of 424020241321 in words is "four hundred twenty-four billion, twenty million, two hundred forty-one thousand, three hundred twenty-one".