910000100091 has 8 divisors (see below), whose sum is σ = 1213363748160. Its totient is φ = 606651592712.

The previous prime is 910000100083. The next prime is 910000100117. The reversal of 910000100091 is 190001000019.

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 910000100091 - 2³ = 910000100083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (910000200091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3644181 + ... + 3885878.

It is an arithmetic number, because the mean of its divisors is an integer number (151670468520).

Almost surely, 2^910000100091 is an apocalyptic number.

910000100091 is a deficient number, since it is larger than the sum of its proper divisors (303363648069).

910000100091 is a wasteful number, since it uses less digits than its factorization.

910000100091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7570345.

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

The spelling of 910000100091 in words is "nine hundred ten billion, one hundred thousand, ninety-one".