196950989447 has 2 divisors, whose sum is σ = 196950989448. Its totient is φ = 196950989446.

The previous prime is 196950989327. The next prime is 196950989509. The reversal of 196950989447 is 744989059691.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 196950989447 - 2¹² = 196950985351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196950289447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98475494723 + 98475494724.

It is an arithmetic number, because the mean of its divisors is an integer number (98475494724).

Almost surely, 2^196950989447 is an apocalyptic number.

196950989447 is a deficient number, since it is larger than the sum of its proper divisors (1).

196950989447 is an equidigital number, since it uses as much as digits as its factorization.

196950989447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 176359680, while the sum is 71.

The spelling of 196950989447 in words is "one hundred ninety-six billion, nine hundred fifty million, nine hundred eighty-nine thousand, four hundred forty-seven".