6195146197 has 4 divisors (see below), whose sum is σ = 6208944300. Its totient is φ = 6181348096.

The previous prime is 6195146189. The next prime is 6195146297. The reversal of 6195146197 is 7916415916.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2557729476 + 3637416721 = 50574^2 + 60311^2 .

It is a cyclic number.

It is not a de Polignac number, because 6195146197 - 2³ = 6195146189 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6195146197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6195146297) 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, 6898378 + ... + 6899275.

It is an arithmetic number, because the mean of its divisors is an integer number (1552236075).

Almost surely, 2^6195146197 is an apocalyptic number.

It is an amenable number.

6195146197 is a deficient number, since it is larger than the sum of its proper divisors (13798103).

6195146197 is a wasteful number, since it uses less digits than its factorization.

6195146197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13798102.

The product of its digits is 408240, while the sum is 49.

The square root of 6195146197 is about 78709.2510255307. The cubic root of 6195146197 is about 1836.6110229412.

The spelling of 6195146197 in words is "six billion, one hundred ninety-five million, one hundred forty-six thousand, one hundred ninety-seven".