6631428892 has 12 divisors (see below), whose sum is σ = 12660000696. Its totient is φ = 3014285840.

The previous prime is 6631428877. The next prime is 6631428941. The reversal of 6631428892 is 2988241366.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75357103 + ... + 75357190.

It is an arithmetic number, because the mean of its divisors is an integer number (1055000058).

Almost surely, 2^6631428892 is an apocalyptic number.

It is an amenable number.

6631428892 is a deficient number, since it is larger than the sum of its proper divisors (6028571804).

6631428892 is a wasteful number, since it uses less digits than its factorization.

6631428892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150714308 (or 150714306 counting only the distinct ones).

The product of its digits is 995328, while the sum is 49.

The square root of 6631428892 is about 81433.5857739299. The cubic root of 6631428892 is about 1878.7501965655.

The spelling of 6631428892 in words is "six billion, six hundred thirty-one million, four hundred twenty-eight thousand, eight hundred ninety-two".