4144206643 has 2 divisors, whose sum is σ = 4144206644. Its totient is φ = 4144206642.

The previous prime is 4144206629. The next prime is 4144206653. The reversal of 4144206643 is 3466024414.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4144206643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4144206599 and 4144206608.

It is not a weakly prime, because it can be changed into another prime (4144206653) 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, 2072103321 + 2072103322.

It is an arithmetic number, because the mean of its divisors is an integer number (2072103322).

Almost surely, 2^4144206643 is an apocalyptic number.

4144206643 is a deficient number, since it is larger than the sum of its proper divisors (1).

4144206643 is an equidigital number, since it uses as much as digits as its factorization.

4144206643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55296, while the sum is 34.

The square root of 4144206643 is about 64375.5127591229. The cubic root of 4144206643 is about 1606.2524416724.

The spelling of 4144206643 in words is "four billion, one hundred forty-four million, two hundred six thousand, six hundred forty-three".