198982733 has 2 divisors, whose sum is σ = 198982734. Its totient is φ = 198982732.

The previous prime is 198982709. The next prime is 198982783. The reversal of 198982733 is 337289891.

It is a happy number.

It is an a-pointer prime, because the next prime (198982783) can be obtained adding 198982733 to its sum of digits (50).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 128640964 + 70341769 = 11342^2 + 8387^2 .

It is a cyclic number.

It is not a de Polignac number, because 198982733 - 2⁶ = 198982669 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (198982783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99491366 + 99491367.

It is an arithmetic number, because the mean of its divisors is an integer number (99491367).

Almost surely, 2^198982733 is an apocalyptic number.

It is an amenable number.

198982733 is a deficient number, since it is larger than the sum of its proper divisors (1).

198982733 is an equidigital number, since it uses as much as digits as its factorization.

198982733 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 50.

The square root of 198982733 is about 14106.1239538011. The cubic root of 198982733 is about 583.8103595879.

The spelling of 198982733 in words is "one hundred ninety-eight million, nine hundred eighty-two thousand, seven hundred thirty-three".