195989364283 has 2 divisors, whose sum is σ = 195989364284. Its totient is φ = 195989364282.

The previous prime is 195989364271. The next prime is 195989364301. The reversal of 195989364283 is 382463989591.

It is a weak prime.

It is an emirp because it is prime and its reverse (382463989591) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 195989364283 - 2¹³ = 195989356091 is a prime.

It is a super-2 number, since 2×195989364283² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (195989374283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97994682141 + 97994682142.

It is an arithmetic number, because the mean of its divisors is an integer number (97994682142).

Almost surely, 2^195989364283 is an apocalyptic number.

195989364283 is a deficient number, since it is larger than the sum of its proper divisors (1).

195989364283 is an equidigital number, since it uses as much as digits as its factorization.

195989364283 is an evil number, because the sum of its binary digits is even.

The product of its digits is 100776960, while the sum is 67.

The spelling of 195989364283 in words is "one hundred ninety-five billion, nine hundred eighty-nine million, three hundred sixty-four thousand, two hundred eighty-three".