4971686636 has 48 divisors (see below), whose sum is σ = 10086753600. Its totient is φ = 2100204288.

The previous prime is 4971686591. The next prime is 4971686641. The reversal of 4971686636 is 6366861794.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 597110 + ... + 605378.

It is an arithmetic number, because the mean of its divisors is an integer number (210140700).

Almost surely, 2^4971686636 is an apocalyptic number.

It is an amenable number.

4971686636 is an abundant number, since it is smaller than the sum of its proper divisors (5115066964).

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

4971686636 is a wasteful number, since it uses less digits than its factorization.

4971686636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8586 (or 8584 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 56.

The square root of 4971686636 is about 70510.1881716394. The cubic root of 4971686636 is about 1706.7421569154.

The spelling of 4971686636 in words is "four billion, nine hundred seventy-one million, six hundred eighty-six thousand, six hundred thirty-six".