424133314021 has 2 divisors, whose sum is σ = 424133314022. Its totient is φ = 424133314020.

The previous prime is 424133314013. The next prime is 424133314037. The reversal of 424133314021 is 120413331424.

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., 387618308100 + 36515005921 = 622590^2 + 191089^2 .

It is a cyclic number.

It is not a de Polignac number, because 424133314021 - 2³ = 424133314013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424133314001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212066657010 + 212066657011.

It is an arithmetic number, because the mean of its divisors is an integer number (212066657011).

Almost surely, 2^424133314021 is an apocalyptic number.

It is an amenable number.

424133314021 is a deficient number, since it is larger than the sum of its proper divisors (1).

424133314021 is an equidigital number, since it uses as much as digits as its factorization.

424133314021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 424133314021 its reverse (120413331424), we get a palindrome (544546645445).

The spelling of 424133314021 in words is "four hundred twenty-four billion, one hundred thirty-three million, three hundred fourteen thousand, twenty-one".