198384145933 has 2 divisors, whose sum is σ = 198384145934. Its totient is φ = 198384145932.

The previous prime is 198384145877. The next prime is 198384145991. The reversal of 198384145933 is 339541483891.

It is a happy number.

198384145933 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (198384145991) can be obtained adding 198384145933 to its sum of digits (58).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 191355503364 + 7028642569 = 437442^2 + 83837^2 .

It is a cyclic number.

It is not a de Polignac number, because 198384145933 - 2¹³ = 198384137741 is a prime.

It is a super-3 number, since 3×198384145933³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (198384145033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99192072966 + 99192072967.

It is an arithmetic number, because the mean of its divisors is an integer number (99192072967).

Almost surely, 2^198384145933 is an apocalyptic number.

It is an amenable number.

198384145933 is a deficient number, since it is larger than the sum of its proper divisors (1).

198384145933 is an equidigital number, since it uses as much as digits as its factorization.

198384145933 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11197440, while the sum is 58.

The spelling of 198384145933 in words is "one hundred ninety-eight billion, three hundred eighty-four million, one hundred forty-five thousand, nine hundred thirty-three".