4195065643 has 2 divisors, whose sum is σ = 4195065644. Its totient is φ = 4195065642.

The previous prime is 4195065617. The next prime is 4195065653. The reversal of 4195065643 is 3465605914.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4195065643 - 2⁹ = 4195065131 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4195065643.

It is not a weakly prime, because it can be changed into another prime (4195065653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2097532821 + 2097532822.

It is an arithmetic number, because the mean of its divisors is an integer number (2097532822).

Almost surely, 2^4195065643 is an apocalyptic number.

4195065643 is a deficient number, since it is larger than the sum of its proper divisors (1).

4195065643 is an equidigital number, since it uses as much as digits as its factorization.

4195065643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 388800, while the sum is 43.

The square root of 4195065643 is about 64769.3264053286. The cubic root of 4195065643 is about 1612.7965545394.

The spelling of 4195065643 in words is "four billion, one hundred ninety-five million, sixty-five thousand, six hundred forty-three".