100091000917 has 2 divisors, whose sum is σ = 100091000918. Its totient is φ = 100091000916.

The previous prime is 100091000899. The next prime is 100091000921. The reversal of 100091000917 is 719000190001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95558883876 + 4532117041 = 309126^2 + 67321^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100091000917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100091000957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50045500458 + 50045500459.

It is an arithmetic number, because the mean of its divisors is an integer number (50045500459).

Almost surely, 2^100091000917 is an apocalyptic number.

It is an amenable number.

100091000917 is a deficient number, since it is larger than the sum of its proper divisors (1).

100091000917 is an equidigital number, since it uses as much as digits as its factorization.

100091000917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 567, while the sum is 28.

Adding to 100091000917 its reverse (719000190001), we get a palindrome (819091190918).

The spelling of 100091000917 in words is "one hundred billion, ninety-one million, nine hundred seventeen", and thus it is an aban number.