424433404429 has 2 divisors, whose sum is σ = 424433404430. Its totient is φ = 424433404428.

The previous prime is 424433404397. The next prime is 424433404453. The reversal of 424433404429 is 924404334424.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 403476499204 + 20956905225 = 635198^2 + 144765^2 .

It is a cyclic number.

It is not a de Polignac number, because 424433404429 - 2⁵ = 424433404397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424433404459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212216702214 + 212216702215.

It is an arithmetic number, because the mean of its divisors is an integer number (212216702215).

Almost surely, 2^424433404429 is an apocalyptic number.

It is an amenable number.

424433404429 is a deficient number, since it is larger than the sum of its proper divisors (1).

424433404429 is an equidigital number, since it uses as much as digits as its factorization.

424433404429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1327104, while the sum is 43.

The spelling of 424433404429 in words is "four hundred twenty-four billion, four hundred thirty-three million, four hundred four thousand, four hundred twenty-nine".