196688702029 has 2 divisors, whose sum is σ = 196688702030. Its totient is φ = 196688702028.

The previous prime is 196688701901. The next prime is 196688702059. The reversal of 196688702029 is 920207886691.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 187415397225 + 9273304804 = 432915^2 + 96298^2 .

It is an emirp because it is prime and its reverse (920207886691) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 196688702029 - 2⁷ = 196688701901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196688702059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98344351014 + 98344351015.

It is an arithmetic number, because the mean of its divisors is an integer number (98344351015).

Almost surely, 2^196688702029 is an apocalyptic number.

It is an amenable number.

196688702029 is a deficient number, since it is larger than the sum of its proper divisors (1).

196688702029 is an equidigital number, since it uses as much as digits as its factorization.

196688702029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5225472, while the sum is 58.

The spelling of 196688702029 in words is "one hundred ninety-six billion, six hundred eighty-eight million, seven hundred two thousand, twenty-nine".