2666341505039 has 2 divisors, whose sum is σ = 2666341505040. Its totient is φ = 2666341505038.

The previous prime is 2666341505033. The next prime is 2666341505053. The reversal of 2666341505039 is 9305051436662.

2666341505039 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2666341505039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2666341505033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1333170752519 + 1333170752520.

It is an arithmetic number, because the mean of its divisors is an integer number (1333170752520).

Almost surely, 2^{2666341505039} is an apocalyptic number.

2666341505039 is a deficient number, since it is larger than the sum of its proper divisors (1).

2666341505039 is an equidigital number, since it uses as much as digits as its factorization.

2666341505039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3499200, while the sum is 50.

The spelling of 2666341505039 in words is "two trillion, six hundred sixty-six billion, three hundred forty-one million, five hundred five thousand, thirty-nine".