200198928480197 has 2 divisors, whose sum is σ = 200198928480198. Its totient is φ = 200198928480196.

The previous prime is 200198928480193. The next prime is 200198928480277. The reversal of 200198928480197 is 791084829891002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 199543000188961 + 655928291236 = 14125969^2 + 809894^2 .

It is a cyclic number.

It is not a de Polignac number, because 200198928480197 - 2² = 200198928480193 is a prime.

It is a super-2 number, since 2×200198928480197² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200198928480193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100099464240098 + 100099464240099.

It is an arithmetic number, because the mean of its divisors is an integer number (100099464240099).

Almost surely, 2^{200198928480197} is an apocalyptic number.

It is an amenable number.

200198928480197 is a deficient number, since it is larger than the sum of its proper divisors (1).

200198928480197 is an equidigital number, since it uses as much as digits as its factorization.

200198928480197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41803776, while the sum is 68.

The spelling of 200198928480197 in words is "two hundred trillion, one hundred ninety-eight billion, nine hundred twenty-eight million, four hundred eighty thousand, one hundred ninety-seven".