4261441609 has 2 divisors, whose sum is σ = 4261441610. Its totient is φ = 4261441608.

The previous prime is 4261441607. The next prime is 4261441643. The reversal of 4261441609 is 9061441624.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4000942009 + 260499600 = 63253^2 + 16140^2 .

It is a cyclic number.

It is not a de Polignac number, because 4261441609 - 2¹ = 4261441607 is a prime.

Together with 4261441607, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (4261441607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2130720804 + 2130720805.

It is an arithmetic number, because the mean of its divisors is an integer number (2130720805).

Almost surely, 2^4261441609 is an apocalyptic number.

It is an amenable number.

4261441609 is a deficient number, since it is larger than the sum of its proper divisors (1).

4261441609 is an equidigital number, since it uses as much as digits as its factorization.

4261441609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 4261441609 is about 65279.7182055805. The cubic root of 4261441609 is about 1621.2581813658.

The spelling of 4261441609 in words is "four billion, two hundred sixty-one million, four hundred forty-one thousand, six hundred nine".