195368493 has 4 divisors (see below), whose sum is σ = 260491328. Its totient is φ = 130245660.

The previous prime is 195368491. The next prime is 195368497. The reversal of 195368493 is 394863591.

195368493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 195368493 - 2¹ = 195368491 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 (195368491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32561413 + ... + 32561418.

It is an arithmetic number, because the mean of its divisors is an integer number (65122832).

Almost surely, 2^195368493 is an apocalyptic number.

It is an amenable number.

195368493 is a deficient number, since it is larger than the sum of its proper divisors (65122835).

195368493 is an equidigital number, since it uses as much as digits as its factorization.

195368493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65122834.

The product of its digits is 699840, while the sum is 48.

The square root of 195368493 is about 13977.4279822863. The cubic root of 195368493 is about 580.2540434872.

The spelling of 195368493 in words is "one hundred ninety-five million, three hundred sixty-eight thousand, four hundred ninety-three".