195346346087 has 2 divisors, whose sum is σ = 195346346088. Its totient is φ = 195346346086.

The previous prime is 195346346059. The next prime is 195346346089. The reversal of 195346346087 is 780643643591.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 195346346087 - 2²⁴ = 195329568871 is a prime.

Together with 195346346089, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (195346346089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97673173043 + 97673173044.

It is an arithmetic number, because the mean of its divisors is an integer number (97673173044).

Almost surely, 2^195346346087 is an apocalyptic number.

195346346087 is a deficient number, since it is larger than the sum of its proper divisors (1).

195346346087 is an equidigital number, since it uses as much as digits as its factorization.

195346346087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13063680, while the sum is 56.

The spelling of 195346346087 in words is "one hundred ninety-five billion, three hundred forty-six million, three hundred forty-six thousand, eighty-seven".