195748097351 has 2 divisors, whose sum is σ = 195748097352. Its totient is φ = 195748097350.

The previous prime is 195748097309. The next prime is 195748097353. The reversal of 195748097351 is 153790847591.

It is a strong prime.

It is an emirp because it is prime and its reverse (153790847591) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 195748097351 - 2³⁰ = 194674355527 is a prime.

It is a Sophie Germain prime.

Together with 195748097353, 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 (195748097353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97874048675 + 97874048676.

It is an arithmetic number, because the mean of its divisors is an integer number (97874048676).

Almost surely, 2^195748097351 is an apocalyptic number.

195748097351 is a deficient number, since it is larger than the sum of its proper divisors (1).

195748097351 is an equidigital number, since it uses as much as digits as its factorization.

195748097351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9525600, while the sum is 59.

The spelling of 195748097351 in words is "one hundred ninety-five billion, seven hundred forty-eight million, ninety-seven thousand, three hundred fifty-one".