10643329500 has 192 divisors, whose sum is σ = 31565334528. Its totient is φ = 2786400000.

The previous prime is 10643329481. The next prime is 10643329531. The reversal of 10643329500 is 592334601.

10643329500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10643329500² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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 63 ways as a sum of consecutive naturals, for example, 24694285 + ... + 24694715.

It is an arithmetic number, because the mean of its divisors is an integer number (164402784).

Almost surely, 2^10643329500 is an apocalyptic number.

10643329500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10643329500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15782667264).

10643329500 is an abundant number, since it is smaller than the sum of its proper divisors (20922005028).

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

10643329500 is a wasteful number, since it uses less digits than its factorization.

10643329500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717 (or 705 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 33.

The spelling of 10643329500 in words is "ten billion, six hundred forty-three million, three hundred twenty-nine thousand, five hundred".