198500141669 has 2 divisors, whose sum is σ = 198500141670. Its totient is φ = 198500141668.

The previous prime is 198500141639. The next prime is 198500141713. The reversal of 198500141669 is 966141005891.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 129376896100 + 69123245569 = 359690^2 + 262913^2 .

It is an emirp because it is prime and its reverse (966141005891) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 198500141669 - 2¹⁶ = 198500076133 is a prime.

It is a super-2 number, since 2×198500141669² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (198500141639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99250070834 + 99250070835.

It is an arithmetic number, because the mean of its divisors is an integer number (99250070835).

Almost surely, 2^198500141669 is an apocalyptic number.

It is an amenable number.

198500141669 is a deficient number, since it is larger than the sum of its proper divisors (1).

198500141669 is an equidigital number, since it uses as much as digits as its factorization.

198500141669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 466560, while the sum is 50.

The spelling of 198500141669 in words is "one hundred ninety-eight billion, five hundred million, one hundred forty-one thousand, six hundred sixty-nine".