6434406243 has 6 divisors (see below), whose sum is σ = 9294142364. Its totient is φ = 4289604156.

The previous prime is 6434406241. The next prime is 6434406343. The reversal of 6434406243 is 3426044346.

6434406243 is a `hidden beast` number, since 6 + 4 + 3 + 4 + 406 + 243 = 666.

It is not a de Polignac number, because 6434406243 - 2¹ = 6434406241 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6434406198 and 6434406207.

It is not an unprimeable number, because it can be changed into a prime (6434406241) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 357467005 + ... + 357467022.

Almost surely, 2^6434406243 is an apocalyptic number.

6434406243 is a deficient number, since it is larger than the sum of its proper divisors (2859736121).

6434406243 is a wasteful number, since it uses less digits than its factorization.

6434406243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714934033 (or 714934030 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 36.

The square root of 6434406243 is about 80214.7507818855. The cubic root of 6434406243 is about 1859.9566647899.

The spelling of 6434406243 in words is "six billion, four hundred thirty-four million, four hundred six thousand, two hundred forty-three".