8200191001 has 2 divisors, whose sum is σ = 8200191002. Its totient is φ = 8200191000.

The previous prime is 8200190987. The next prime is 8200191047. The reversal of 8200191001 is 1001910028.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6836809225 + 1363381776 = 82685^2 + 36924^2 .

It is a cyclic number.

It is not a de Polignac number, because 8200191001 - 2⁹ = 8200190489 is a prime.

It is not a weakly prime, because it can be changed into another prime (8200191071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4100095500 + 4100095501.

It is an arithmetic number, because the mean of its divisors is an integer number (4100095501).

Almost surely, 2^8200191001 is an apocalyptic number.

It is an amenable number.

8200191001 is a deficient number, since it is larger than the sum of its proper divisors (1).

8200191001 is an equidigital number, since it uses as much as digits as its factorization.

8200191001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 22.

The square root of 8200191001 is about 90554.9060018285. The cubic root of 8200191001 is about 2016.5453319740.

The spelling of 8200191001 in words is "eight billion, two hundred million, one hundred ninety-one thousand, one".