2663742368939 has 2 divisors, whose sum is σ = 2663742368940. Its totient is φ = 2663742368938.

The previous prime is 2663742368929. The next prime is 2663742368957. The reversal of 2663742368939 is 9398632473662.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2663742368939 - 2⁴ = 2663742368923 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2663742368909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1331871184469 + 1331871184470.

It is an arithmetic number, because the mean of its divisors is an integer number (1331871184470).

Almost surely, 2^{2663742368939} is an apocalyptic number.

2663742368939 is a deficient number, since it is larger than the sum of its proper divisors (1).

2663742368939 is an equidigital number, since it uses as much as digits as its factorization.

2663742368939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 423263232, while the sum is 68.

The spelling of 2663742368939 in words is "two trillion, six hundred sixty-three billion, seven hundred forty-two million, three hundred sixty-eight thousand, nine hundred thirty-nine".