10009006500 has 48 divisors (see below), whose sum is σ = 29146231296. Its totient is φ = 2669068000.

The previous prime is 10009006481. The next prime is 10009006507. The reversal of 10009006500 is 560090001.

It is a super-2 number, since 2×10009006500² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10009006507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3334836 + ... + 3337835.

It is an arithmetic number, because the mean of its divisors is an integer number (607213152).

Almost surely, 2^10009006500 is an apocalyptic number.

10009006500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10009006500 is an abundant number, since it is smaller than the sum of its proper divisors (19137224796).

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

10009006500 is a wasteful number, since it uses less digits than its factorization.

10009006500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6672693 (or 6672681 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 21.

Adding to 10009006500 its reverse (560090001), we get a palindrome (10569096501).

The spelling of 10009006500 in words is "ten billion, nine million, six thousand, five hundred".