4065143197 has 2 divisors, whose sum is σ = 4065143198. Its totient is φ = 4065143196.

The previous prime is 4065143149. The next prime is 4065143231. The reversal of 4065143197 is 7913415604.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2101855716 + 1963287481 = 45846^2 + 44309^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4065143197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4065143107) 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 as a sum of consecutive naturals, namely, 2032571598 + 2032571599.

It is an arithmetic number, because the mean of its divisors is an integer number (2032571599).

Almost surely, 2^4065143197 is an apocalyptic number.

It is an amenable number.

4065143197 is a deficient number, since it is larger than the sum of its proper divisors (1).

4065143197 is an equidigital number, since it uses as much as digits as its factorization.

4065143197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 4065143197 is about 63758.4754914984. The cubic root of 4065143197 is about 1595.9720554076.

The spelling of 4065143197 in words is "four billion, sixty-five million, one hundred forty-three thousand, one hundred ninety-seven".