6684029631 has 16 divisors (see below), whose sum is σ = 9903692800. Its totient is φ = 4455377784.

The previous prime is 6684029623. The next prime is 6684029641. The reversal of 6684029631 is 1369204866.

6684029631 is a `hidden beast` number, since 6 + 6 + 8 + 4 + 0 + 2 + 9 + 631 = 666.

It is not a de Polignac number, because 6684029631 - 2³ = 6684029623 is a prime.

It is a super-2 number, since 2×6684029631² = 89352504216171992322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6684029641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241740 + ... + 267966.

It is an arithmetic number, because the mean of its divisors is an integer number (618980800).

Almost surely, 2^6684029631 is an apocalyptic number.

6684029631 is a deficient number, since it is larger than the sum of its proper divisors (3219663169).

6684029631 is a wasteful number, since it uses less digits than its factorization.

6684029631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35675 (or 35669 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The square root of 6684029631 is about 81755.9149603257. The cubic root of 6684029631 is about 1883.7045588289.

The spelling of 6684029631 in words is "six billion, six hundred eighty-four million, twenty-nine thousand, six hundred thirty-one".