195671047669 has 2 divisors, whose sum is σ = 195671047670. Its totient is φ = 195671047668.

The previous prime is 195671047651. The next prime is 195671047687. The reversal of 195671047669 is 966740176591.

It is a balanced prime because it is at equal distance from previous prime (195671047651) and next prime (195671047687).

It can be written as a sum of positive squares in only one way, i.e., 188388985444 + 7282062225 = 434038^2 + 85335^2 .

It is a cyclic number.

It is not a de Polignac number, because 195671047669 - 2⁷ = 195671047541 is a prime.

It is a super-2 number, since 2×195671047669² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (195671047639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97835523834 + 97835523835.

It is an arithmetic number, because the mean of its divisors is an integer number (97835523835).

Almost surely, 2^195671047669 is an apocalyptic number.

It is an amenable number.

195671047669 is a deficient number, since it is larger than the sum of its proper divisors (1).

195671047669 is an equidigital number, since it uses as much as digits as its factorization.

195671047669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17146080, while the sum is 61.

The spelling of 195671047669 in words is "one hundred ninety-five billion, six hundred seventy-one million, forty-seven thousand, six hundred sixty-nine".