9091047018071 has 2 divisors, whose sum is σ = 9091047018072. Its totient is φ = 9091047018070.

The previous prime is 9091047017993. The next prime is 9091047018197. The reversal of 9091047018071 is 1708107401909.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9091047018071 - 2³⁰ = 9089973276247 is a prime.

It is a super-2 number, since 2×9091047018071² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9091047018971) 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, 4545523509035 + 4545523509036.

It is an arithmetic number, because the mean of its divisors is an integer number (4545523509036).

Almost surely, 2^{9091047018071} is an apocalyptic number.

9091047018071 is a deficient number, since it is larger than the sum of its proper divisors (1).

9091047018071 is an equidigital number, since it uses as much as digits as its factorization.

9091047018071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 127008, while the sum is 47.

The spelling of 9091047018071 in words is "nine trillion, ninety-one billion, forty-seven million, eighteen thousand, seventy-one".