197803174601089 has 2 divisors, whose sum is σ = 197803174601090. Its totient is φ = 197803174601088.

The previous prime is 197803174601057. The next prime is 197803174601107. The reversal of 197803174601089 is 980106471308791.

197803174601089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104755061240064 + 93048113361025 = 10234992^2 + 9646145^2 .

It is a cyclic number.

It is not a de Polignac number, because 197803174601089 - 2⁵ = 197803174601057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 197803174601089.

It is not a weakly prime, because it can be changed into another prime (197803174607089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98901587300544 + 98901587300545.

It is an arithmetic number, because the mean of its divisors is an integer number (98901587300545).

Almost surely, 2^{197803174601089} is an apocalyptic number.

It is an amenable number.

197803174601089 is a deficient number, since it is larger than the sum of its proper divisors (1).

197803174601089 is an equidigital number, since it uses as much as digits as its factorization.

197803174601089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18289152, while the sum is 64.

The spelling of 197803174601089 in words is "one hundred ninety-seven trillion, eight hundred three billion, one hundred seventy-four million, six hundred one thousand, eighty-nine".