195198413 has 4 divisors (see below), whose sum is σ = 201495168. Its totient is φ = 188901660.

The previous prime is 195198407. The next prime is 195198427. The reversal of 195198413 is 314891591.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 195198413 - 2⁴ = 195198397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195197413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3148331 + ... + 3148392.

It is an arithmetic number, because the mean of its divisors is an integer number (50373792).

Almost surely, 2^195198413 is an apocalyptic number.

It is an amenable number.

195198413 is a deficient number, since it is larger than the sum of its proper divisors (6296755).

195198413 is an equidigital number, since it uses as much as digits as its factorization.

195198413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6296754.

The product of its digits is 38880, while the sum is 41.

The square root of 195198413 is about 13971.3425625457. The cubic root of 195198413 is about 580.0856126100.

The spelling of 195198413 in words is "one hundred ninety-five million, one hundred ninety-eight thousand, four hundred thirteen".