10009100091 has 8 divisors (see below), whose sum is σ = 13463568720. Its totient is φ = 6613682432.

The previous prime is 10009100089. The next prime is 10009100099. The reversal of 10009100091 is 19000190001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10009100091 - 2¹ = 10009100089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10009100099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14762346 + ... + 14763023.

It is an arithmetic number, because the mean of its divisors is an integer number (1682946090).

Almost surely, 2^10009100091 is an apocalyptic number.

10009100091 is a deficient number, since it is larger than the sum of its proper divisors (3454468629).

10009100091 is a wasteful number, since it uses less digits than its factorization.

10009100091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29525485.

The product of its (nonzero) digits is 81, while the sum is 21.

Adding to 10009100091 its reverse (19000190001), we get a palindrome (29009290092).

The spelling of 10009100091 in words is "ten billion, nine million, one hundred thousand, ninety-one".