198669483811 has 2 divisors, whose sum is σ = 198669483812. Its totient is φ = 198669483810.

The previous prime is 198669483809. The next prime is 198669483829. The reversal of 198669483811 is 118384966891.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 198669483811 - 2¹ = 198669483809 is a prime.

Together with 198669483809, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (198669483841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99334741905 + 99334741906.

It is an arithmetic number, because the mean of its divisors is an integer number (99334741906).

Almost surely, 2^198669483811 is an apocalyptic number.

198669483811 is a deficient number, since it is larger than the sum of its proper divisors (1).

198669483811 is an equidigital number, since it uses as much as digits as its factorization.

198669483811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17915904, while the sum is 64.

The spelling of 198669483811 in words is "one hundred ninety-eight billion, six hundred sixty-nine million, four hundred eighty-three thousand, eight hundred eleven".