198273463 has 2 divisors, whose sum is σ = 198273464. Its totient is φ = 198273462.

The previous prime is 198273443. The next prime is 198273503. The reversal of 198273463 is 364372891.

It is a weak prime.

It is an emirp because it is prime and its reverse (364372891) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 198273463 - 2⁹ = 198272951 is a prime.

It is a super-2 number, since 2×198273463² = 78624732260024738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (198273433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99136731 + 99136732.

It is an arithmetic number, because the mean of its divisors is an integer number (99136732).

Almost surely, 2^198273463 is an apocalyptic number.

198273463 is a deficient number, since it is larger than the sum of its proper divisors (1).

198273463 is an equidigital number, since it uses as much as digits as its factorization.

198273463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 43.

The square root of 198273463 is about 14080.9610112378. The cubic root of 198273463 is about 583.1158736285.

The spelling of 198273463 in words is "one hundred ninety-eight million, two hundred seventy-three thousand, four hundred sixty-three".