195706884851 has 2 divisors, whose sum is σ = 195706884852. Its totient is φ = 195706884850.

The previous prime is 195706884833. The next prime is 195706884881. The reversal of 195706884851 is 158488607591.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 195706884851 - 2²⁶ = 195639775987 is a prime.

It is not a weakly prime, because it can be changed into another prime (195706884881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97853442425 + 97853442426.

It is an arithmetic number, because the mean of its divisors is an integer number (97853442426).

Almost surely, 2^195706884851 is an apocalyptic number.

195706884851 is a deficient number, since it is larger than the sum of its proper divisors (1).

195706884851 is an equidigital number, since it uses as much as digits as its factorization.

195706884851 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19353600, while the sum is 62.

The spelling of 195706884851 in words is "one hundred ninety-five billion, seven hundred six million, eight hundred eighty-four thousand, eight hundred fifty-one".