9100091919071 has 2 divisors, whose sum is σ = 9100091919072. Its totient is φ = 9100091919070.

The previous prime is 9100091919053. The next prime is 9100091919077. The reversal of 9100091919071 is 1709191900019.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9100091919071 - 2³⁰ = 9099018177247 is a prime.

It is a super-2 number, since 2×9100091919071² (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9100091919077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4550045959535 + 4550045959536.

It is an arithmetic number, because the mean of its divisors is an integer number (4550045959536).

Almost surely, 2^{9100091919071} is an apocalyptic number.

9100091919071 is a deficient number, since it is larger than the sum of its proper divisors (1).

9100091919071 is an equidigital number, since it uses as much as digits as its factorization.

9100091919071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45927, while the sum is 47.

The spelling of 9100091919071 in words is "nine trillion, one hundred billion, ninety-one million, nine hundred nineteen thousand, seventy-one".