195498813 has 8 divisors (see below), whose sum is σ = 261404928. Its totient is φ = 129962624.

The previous prime is 195498811. The next prime is 195498829. The reversal of 195498813 is 318894591.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 195498813 - 2¹ = 195498811 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195498811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91245 + ... + 93362.

It is an arithmetic number, because the mean of its divisors is an integer number (32675616).

Almost surely, 2^195498813 is an apocalyptic number.

It is an amenable number.

195498813 is a deficient number, since it is larger than the sum of its proper divisors (65906115).

195498813 is a wasteful number, since it uses less digits than its factorization.

195498813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184963.

The product of its digits is 311040, while the sum is 48.

The square root of 195498813 is about 13982.0890070118. The cubic root of 195498813 is about 580.3830337495.

The spelling of 195498813 in words is "one hundred ninety-five million, four hundred ninety-eight thousand, eight hundred thirteen".