6434406343 has 2 divisors, whose sum is σ = 6434406344. Its totient is φ = 6434406342.

The previous prime is 6434406241. The next prime is 6434406353. The reversal of 6434406343 is 3436044346.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6434406343 - 2¹³ = 6434398151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6434406353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3217203171 + 3217203172.

It is an arithmetic number, because the mean of its divisors is an integer number (3217203172).

Almost surely, 2^6434406343 is an apocalyptic number.

6434406343 is a deficient number, since it is larger than the sum of its proper divisors (1).

6434406343 is an equidigital number, since it uses as much as digits as its factorization.

6434406343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248832, while the sum is 37.

The square root of 6434406343 is about 80214.7514052122. The cubic root of 6434406343 is about 1859.9566744254.

The spelling of 6434406343 in words is "six billion, four hundred thirty-four million, four hundred six thousand, three hundred forty-three".