195066929 has 2 divisors, whose sum is σ = 195066930. Its totient is φ = 195066928.

The previous prime is 195066917. The next prime is 195066941. The reversal of 195066929 is 929660591.

It is a balanced prime because it is at equal distance from previous prime (195066917) and next prime (195066941).

It can be written as a sum of positive squares in only one way, i.e., 139594225 + 55472704 = 11815^2 + 7448^2 .

It is a cyclic number.

It is not a de Polignac number, because 195066929 - 2⁴ = 195066913 is a prime.

It is a super-2 number, since 2×195066929² = 76102213578982082, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (195066329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97533464 + 97533465.

It is an arithmetic number, because the mean of its divisors is an integer number (97533465).

Almost surely, 2^195066929 is an apocalyptic number.

It is an amenable number.

195066929 is a deficient number, since it is larger than the sum of its proper divisors (1).

195066929 is an equidigital number, since it uses as much as digits as its factorization.

195066929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 262440, while the sum is 47.

The square root of 195066929 is about 13966.6362807943. The cubic root of 195066929 is about 579.9553364339.

The spelling of 195066929 in words is "one hundred ninety-five million, sixty-six thousand, nine hundred twenty-nine".