195882503669 has 2 divisors, whose sum is σ = 195882503670. Its totient is φ = 195882503668.

The previous prime is 195882503657. The next prime is 195882503711. The reversal of 195882503669 is 966305288591.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 181979028100 + 13903475569 = 426590^2 + 117913^2 .

It is a cyclic number.

It is not a de Polignac number, because 195882503669 - 2⁴ = 195882503653 is a prime.

It is a super-2 number, since 2×195882503669² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (195882503269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97941251834 + 97941251835.

It is an arithmetic number, because the mean of its divisors is an integer number (97941251835).

Almost surely, 2^195882503669 is an apocalyptic number.

It is an amenable number.

195882503669 is a deficient number, since it is larger than the sum of its proper divisors (1).

195882503669 is an equidigital number, since it uses as much as digits as its factorization.

195882503669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27993600, while the sum is 62.

The spelling of 195882503669 in words is "one hundred ninety-five billion, eight hundred eighty-two million, five hundred three thousand, six hundred sixty-nine".