8351643652 has 24 divisors (see below), whose sum is σ = 16881933600. Its totient is φ = 3572895360.

The previous prime is 8351643649. The next prime is 8351643661. The reversal of 8351643652 is 2563461538.

It is a junction number, because it is equal to n+sod(n) for n = 8351643599 and 8351643608.

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 7 ways as a sum of consecutive naturals, for example, 5581902 + ... + 5583397.

It is an arithmetic number, because the mean of its divisors is an integer number (703413900).

Almost surely, 2^8351643652 is an apocalyptic number.

It is an amenable number.

8351643652 is an abundant number, since it is smaller than the sum of its proper divisors (8530289948).

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

8351643652 is a wasteful number, since it uses less digits than its factorization.

8351643652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11165331 (or 11165329 counting only the distinct ones).

The product of its digits is 518400, while the sum is 43.

The square root of 8351643652 is about 91387.3276335401. The cubic root of 8351643652 is about 2028.8844730512.

The spelling of 8351643652 in words is "eight billion, three hundred fifty-one million, six hundred forty-three thousand, six hundred fifty-two".