10000805538 has 16 divisors (see below), whose sum is σ = 20113354080. Its totient is φ = 3314978016.

The previous prime is 10000805533. The next prime is 10000805557. The reversal of 10000805538 is 83550800001.

It is a happy number.

10000805538 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10000805538² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10000805531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4654795 + ... + 4656942.

It is an arithmetic number, because the mean of its divisors is an integer number (1257084630).

Almost surely, 2^10000805538 is an apocalyptic number.

10000805538 is an abundant number, since it is smaller than the sum of its proper divisors (10112548542).

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

10000805538 is a wasteful number, since it uses less digits than its factorization.

10000805538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9311921.

The product of its (nonzero) digits is 4800, while the sum is 30.

The spelling of 10000805538 in words is "ten billion, eight hundred five thousand, five hundred thirty-eight".