198633336479 has 2 divisors, whose sum is σ = 198633336480. Its totient is φ = 198633336478.

The previous prime is 198633336467. The next prime is 198633336511. The reversal of 198633336479 is 974633336891.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-198633336479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (198633335479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99316668239 + 99316668240.

It is an arithmetic number, because the mean of its divisors is an integer number (99316668240).

Almost surely, 2^198633336479 is an apocalyptic number.

198633336479 is a deficient number, since it is larger than the sum of its proper divisors (1).

198633336479 is an equidigital number, since it uses as much as digits as its factorization.

198633336479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52907904, while the sum is 62.

The spelling of 198633336479 in words is "one hundred ninety-eight billion, six hundred thirty-three million, three hundred thirty-six thousand, four hundred seventy-nine".