6434536345 has 16 divisors (see below), whose sum is σ = 7745553360. Its totient is φ = 5131586304.

The previous prime is 6434536331. The next prime is 6434536379. The reversal of 6434536345 is 5436354346.

It can be written as a sum of positive squares in 8 ways, for example, as 287505936 + 6147030409 = 16956^2 + 78403^2 .

It is a cyclic number.

It is not a de Polignac number, because 6434536345 - 2²⁵ = 6400981913 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2805019 + ... + 2807311.

It is an arithmetic number, because the mean of its divisors is an integer number (484097085).

Almost surely, 2^6434536345 is an apocalyptic number.

It is an amenable number.

6434536345 is a deficient number, since it is larger than the sum of its proper divisors (1311017015).

6434536345 is a wasteful number, since it uses less digits than its factorization.

6434536345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3804.

The product of its digits is 1555200, while the sum is 43.

The square root of 6434536345 is about 80215.5617383560. The cubic root of 6434536345 is about 1859.9692006501.

The spelling of 6434536345 in words is "six billion, four hundred thirty-four million, five hundred thirty-six thousand, three hundred forty-five".