4416660640709 has 2 divisors, whose sum is σ = 4416660640710. Its totient is φ = 4416660640708.

The previous prime is 4416660640627. The next prime is 4416660640723. The reversal of 4416660640709 is 9070460666144.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4311374668225 + 105285972484 = 2076385^2 + 324478^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4416660640709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4416660648709) 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, 2208330320354 + 2208330320355.

It is an arithmetic number, because the mean of its divisors is an integer number (2208330320355).

Almost surely, 2^{4416660640709} is an apocalyptic number.

It is an amenable number.

4416660640709 is a deficient number, since it is larger than the sum of its proper divisors (1).

4416660640709 is an equidigital number, since it uses as much as digits as its factorization.

4416660640709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5225472, while the sum is 53.

The spelling of 4416660640709 in words is "four trillion, four hundred sixteen billion, six hundred sixty million, six hundred forty thousand, seven hundred nine".