196489019227 has 2 divisors, whose sum is σ = 196489019228. Its totient is φ = 196489019226.

The previous prime is 196489019201. The next prime is 196489019239. The reversal of 196489019227 is 722910984691.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-196489019227 is a prime.

It is not a weakly prime, because it can be changed into another prime (196489019927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98244509613 + 98244509614.

It is an arithmetic number, because the mean of its divisors is an integer number (98244509614).

Almost surely, 2^196489019227 is an apocalyptic number.

196489019227 is a deficient number, since it is larger than the sum of its proper divisors (1).

196489019227 is an equidigital number, since it uses as much as digits as its factorization.

196489019227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3919104, while the sum is 58.

The spelling of 196489019227 in words is "one hundred ninety-six billion, four hundred eighty-nine million, nineteen thousand, two hundred twenty-seven".