195898549569883 has 2 divisors, whose sum is σ = 195898549569884. Its totient is φ = 195898549569882.

The previous prime is 195898549569803. The next prime is 195898549569889. The reversal of 195898549569883 is 388965945898591.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-195898549569883 is a prime.

It is not a weakly prime, because it can be changed into another prime (195898549569889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97949274784941 + 97949274784942.

It is an arithmetic number, because the mean of its divisors is an integer number (97949274784942).

Almost surely, 2^{195898549569883} is an apocalyptic number.

195898549569883 is a deficient number, since it is larger than the sum of its proper divisors (1).

195898549569883 is an equidigital number, since it uses as much as digits as its factorization.

195898549569883 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241864704000, while the sum is 97.

The spelling of 195898549569883 in words is "one hundred ninety-five trillion, eight hundred ninety-eight billion, five hundred forty-nine million, five hundred sixty-nine thousand, eight hundred eighty-three".