8133712650 has 288 divisors, whose sum is σ = 26009942400. Its totient is φ = 1782950400.

The previous prime is 8133712607. The next prime is 8133712667. The reversal of 8133712650 is 562173318.

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 143 ways as a sum of consecutive naturals, for example, 24572985 + ... + 24573315.

It is an arithmetic number, because the mean of its divisors is an integer number (90312300).

Almost surely, 2^8133712650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8133712650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13004971200).

8133712650 is an abundant number, since it is smaller than the sum of its proper divisors (17876229750).

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

8133712650 is a wasteful number, since it uses less digits than its factorization.

8133712650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654 (or 646 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 8133712650 is about 90187.0980240522. The cubic root of 8133712650 is about 2011.0812108252.

Adding to 8133712650 its reverse (562173318), we get a palindrome (8695885968).

The spelling of 8133712650 in words is "eight billion, one hundred thirty-three million, seven hundred twelve thousand, six hundred fifty".