10010000091 has 64 divisors (see below), whose sum is σ = 16916272128. Its totient is φ = 5123409408.

The previous prime is 10010000059. The next prime is 10010000111. The reversal of 10010000091 is 19000001001.

10010000091 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10010000091 - 2⁵ = 10010000059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10010000491) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4473625 + ... + 4475861.

It is an arithmetic number, because the mean of its divisors is an integer number (264316752).

Almost surely, 2^10010000091 is an apocalyptic number.

10010000091 is a deficient number, since it is larger than the sum of its proper divisors (6906272037).

10010000091 is a wasteful number, since it uses less digits than its factorization.

10010000091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2740.

The product of its (nonzero) digits is 9, while the sum is 12.

Adding to 10010000091 its reverse (19000001001), we get a palindrome (29010001092).

The spelling of 10010000091 in words is "ten billion, ten million, ninety-one", and thus it is an aban number and an uban number.