8196001889 has 2 divisors, whose sum is σ = 8196001890. Its totient is φ = 8196001888.

The previous prime is 8196001859. The next prime is 8196001909. The reversal of 8196001889 is 9881006918.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6741723664 + 1454278225 = 82108^2 + 38135^2 .

It is a cyclic number.

It is not a de Polignac number, because 8196001889 - 2²⁴ = 8179224673 is a prime.

It is not a weakly prime, because it can be changed into another prime (8196001819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4098000944 + 4098000945.

It is an arithmetic number, because the mean of its divisors is an integer number (4098000945).

Almost surely, 2^8196001889 is an apocalyptic number.

It is an amenable number.

8196001889 is a deficient number, since it is larger than the sum of its proper divisors (1).

8196001889 is an equidigital number, since it uses as much as digits as its factorization.

8196001889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248832, while the sum is 50.

The square root of 8196001889 is about 90531.7728148521. The cubic root of 8196001889 is about 2016.2018857808.

The spelling of 8196001889 in words is "eight billion, one hundred ninety-six million, one thousand, eight hundred eighty-nine".