198570465662099 has 2 divisors, whose sum is σ = 198570465662100. Its totient is φ = 198570465662098.

The previous prime is 198570465662047. The next prime is 198570465662119. The reversal of 198570465662099 is 990266564075891.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-198570465662099 is a prime.

It is not a weakly prime, because it can be changed into another prime (198570465662039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99285232831049 + 99285232831050.

It is an arithmetic number, because the mean of its divisors is an integer number (99285232831050).

Almost surely, 2^{198570465662099} is an apocalyptic number.

198570465662099 is a deficient number, since it is larger than the sum of its proper divisors (1).

198570465662099 is an equidigital number, since it uses as much as digits as its factorization.

198570465662099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1763596800, while the sum is 77.

The spelling of 198570465662099 in words is "one hundred ninety-eight trillion, five hundred seventy billion, four hundred sixty-five million, six hundred sixty-two thousand, ninety-nine".