6434286636 has 24 divisors (see below), whose sum is σ = 15055165440. Its totient is φ = 2138786512.

The previous prime is 6434286631. The next prime is 6434286647. The reversal of 6434286636 is 6366824346.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (6434286631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 742476 + ... + 751091.

It is an arithmetic number, because the mean of its divisors is an integer number (627298560).

Almost surely, 2^6434286636 is an apocalyptic number.

It is an amenable number.

6434286636 is an abundant number, since it is smaller than the sum of its proper divisors (8620878804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6434286636 is a wasteful number, since it uses less digits than its factorization.

6434286636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1493933 (or 1493931 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 48.

The square root of 6434286636 is about 80214.0052359935. The cubic root of 6434286636 is about 1859.9451400168.

The spelling of 6434286636 in words is "six billion, four hundred thirty-four million, two hundred eighty-six thousand, six hundred thirty-six".