4060665647 has 2 divisors, whose sum is σ = 4060665648. Its totient is φ = 4060665646.

The previous prime is 4060665643. The next prime is 4060665667. The reversal of 4060665647 is 7465660604.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4060665647 - 2² = 4060665643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4060665598 and 4060665607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4060665643) 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, 2030332823 + 2030332824.

It is an arithmetic number, because the mean of its divisors is an integer number (2030332824).

Almost surely, 2^4060665647 is an apocalyptic number.

4060665647 is a deficient number, since it is larger than the sum of its proper divisors (1).

4060665647 is an equidigital number, since it uses as much as digits as its factorization.

4060665647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 44.

The square root of 4060665647 is about 63723.3524463363. The cubic root of 4060665647 is about 1595.3858792586.

The spelling of 4060665647 in words is "four billion, sixty million, six hundred sixty-five thousand, six hundred forty-seven".