6636430002 has 16 divisors (see below), whose sum is σ = 13283780832. Its totient is φ = 2210323200.

The previous prime is 6636429973. The next prime is 6636430007. The reversal of 6636430002 is 2000346366.

It is not an unprimeable number, because it can be changed into a prime (6636430007) 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, 447124 + ... + 461727.

It is an arithmetic number, because the mean of its divisors is an integer number (830236302).

Almost surely, 2^6636430002 is an apocalyptic number.

6636430002 is an abundant number, since it is smaller than the sum of its proper divisors (6647350830).

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

6636430002 is a wasteful number, since it uses less digits than its factorization.

6636430002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910073.

The product of its (nonzero) digits is 15552, while the sum is 30.

The square root of 6636430002 is about 81464.2866659986. The cubic root of 6636430002 is about 1879.2223660669. Note that the first 3 decimals are identical.

Adding to 6636430002 its reverse (2000346366), we get a palindrome (8636776368).

The spelling of 6636430002 in words is "six billion, six hundred thirty-six million, four hundred thirty thousand, two".