4195665197 has 2 divisors, whose sum is σ = 4195665198. Its totient is φ = 4195665196.

The previous prime is 4195665193. The next prime is 4195665203. The reversal of 4195665197 is 7915665914.

4195665197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4112143876 + 83521321 = 64126^2 + 9139^2 .

It is a cyclic number.

It is not a de Polignac number, because 4195665197 - 2² = 4195665193 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4195665191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2097832598 + 2097832599.

It is an arithmetic number, because the mean of its divisors is an integer number (2097832599).

Almost surely, 2^4195665197 is an apocalyptic number.

It is an amenable number.

4195665197 is a deficient number, since it is larger than the sum of its proper divisors (1).

4195665197 is an equidigital number, since it uses as much as digits as its factorization.

4195665197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2041200, while the sum is 53.

The square root of 4195665197 is about 64773.9546191214. The cubic root of 4195665197 is about 1612.8733838944.

The spelling of 4195665197 in words is "four billion, one hundred ninety-five million, six hundred sixty-five thousand, one hundred ninety-seven".