198148763 has 2 divisors, whose sum is σ = 198148764. Its totient is φ = 198148762.

The previous prime is 198148759. The next prime is 198148781. The reversal of 198148763 is 367841891.

It is a weak prime.

It is an emirp because it is prime and its reverse (367841891) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 198148763 - 2² = 198148759 is a prime.

It is a super-3 number, since 3×198148763³ (a number of 26 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (198148723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99074381 + 99074382.

It is an arithmetic number, because the mean of its divisors is an integer number (99074382).

Almost surely, 2^198148763 is an apocalyptic number.

198148763 is a deficient number, since it is larger than the sum of its proper divisors (1).

198148763 is an equidigital number, since it uses as much as digits as its factorization.

198148763 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 47.

The square root of 198148763 is about 14076.5323499788. The cubic root of 198148763 is about 582.9936017625.

The spelling of 198148763 in words is "one hundred ninety-eight million, one hundred forty-eight thousand, seven hundred sixty-three".