9011000099873 has 2 divisors, whose sum is σ = 9011000099874. Its totient is φ = 9011000099872.

The previous prime is 9011000099839. The next prime is 9011000099929. The reversal of 9011000099873 is 3789900001109.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5314717004689 + 3696283095184 = 2305367^2 + 1922572^2 .

It is a cyclic number.

It is not a de Polignac number, because 9011000099873 - 2¹² = 9011000095777 is a prime.

It is a super-2 number, since 2×9011000099873² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9011000099173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4505500049936 + 4505500049937.

It is an arithmetic number, because the mean of its divisors is an integer number (4505500049937).

Almost surely, 2^{9011000099873} is an apocalyptic number.

It is an amenable number.

9011000099873 is a deficient number, since it is larger than the sum of its proper divisors (1).

9011000099873 is an equidigital number, since it uses as much as digits as its factorization.

9011000099873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 122472, while the sum is 47.

The spelling of 9011000099873 in words is "nine trillion, eleven billion, ninety-nine thousand, eight hundred seventy-three".