195350719 has 2 divisors, whose sum is σ = 195350720. Its totient is φ = 195350718.

The previous prime is 195350581. The next prime is 195350741. The reversal of 195350719 is 917053591.

It is a strong prime.

It is an emirp because it is prime and its reverse (917053591) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 195350719 - 2¹³ = 195342527 is a prime.

It is a super-2 number, since 2×195350719² = 76323806827633922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (195350819) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97675359 + 97675360.

It is an arithmetic number, because the mean of its divisors is an integer number (97675360).

Almost surely, 2^195350719 is an apocalyptic number.

195350719 is a deficient number, since it is larger than the sum of its proper divisors (1).

195350719 is an equidigital number, since it uses as much as digits as its factorization.

195350719 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42525, while the sum is 40.

The square root of 195350719 is about 13976.7921570008. The cubic root of 195350719 is about 580.2364464019.

The spelling of 195350719 in words is "one hundred ninety-five million, three hundred fifty thousand, seven hundred nineteen".