196521462829 has 2 divisors, whose sum is σ = 196521462830. Its totient is φ = 196521462828.

The previous prime is 196521462743. The next prime is 196521462857. The reversal of 196521462829 is 928264125691.

196521462829 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 133442628804 + 63078834025 = 365298^2 + 251155^2 .

It is a cyclic number.

It is not a de Polignac number, because 196521462829 - 2¹¹ = 196521460781 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 196521462829.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196521462859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98260731414 + 98260731415.

It is an arithmetic number, because the mean of its divisors is an integer number (98260731415).

Almost surely, 2^196521462829 is an apocalyptic number.

It is an amenable number.

196521462829 is a deficient number, since it is larger than the sum of its proper divisors (1).

196521462829 is an equidigital number, since it uses as much as digits as its factorization.

196521462829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3732480, while the sum is 55.

The spelling of 196521462829 in words is "one hundred ninety-six billion, five hundred twenty-one million, four hundred sixty-two thousand, eight hundred twenty-nine".