10091008999 has 2 divisors, whose sum is σ = 10091009000. Its totient is φ = 10091008998.

The previous prime is 10091008987. The next prime is 10091009021. The reversal of 10091008999 is 99980019001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10091008999 - 2⁷ = 10091008871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10091008909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5045504499 + 5045504500.

It is an arithmetic number, because the mean of its divisors is an integer number (5045504500).

Almost surely, 2^10091008999 is an apocalyptic number.

10091008999 is a deficient number, since it is larger than the sum of its proper divisors (1).

10091008999 is an equidigital number, since it uses as much as digits as its factorization.

10091008999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52488, while the sum is 46.

The spelling of 10091008999 in words is "ten billion, ninety-one million, eight thousand, nine hundred ninety-nine".