195747349663 has 2 divisors, whose sum is σ = 195747349664. Its totient is φ = 195747349662.

The previous prime is 195747349631. The next prime is 195747349697. The reversal of 195747349663 is 366943747591.

It is a weak prime.

It is an emirp because it is prime and its reverse (366943747591) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 195747349663 - 2⁵ = 195747349631 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 195747349595 and 195747349604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (195747341663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97873674831 + 97873674832.

It is an arithmetic number, because the mean of its divisors is an integer number (97873674832).

Almost surely, 2^195747349663 is an apocalyptic number.

195747349663 is a deficient number, since it is larger than the sum of its proper divisors (1).

195747349663 is an equidigital number, since it uses as much as digits as its factorization.

195747349663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 102876480, while the sum is 64.

The spelling of 195747349663 in words is "one hundred ninety-five billion, seven hundred forty-seven million, three hundred forty-nine thousand, six hundred sixty-three".