2665513608343 has 2 divisors, whose sum is σ = 2665513608344. Its totient is φ = 2665513608342.

The previous prime is 2665513608313. The next prime is 2665513608377. The reversal of 2665513608343 is 3438063155662.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2665513608343 - 2¹⁷ = 2665513477271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2665513608313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1332756804171 + 1332756804172.

It is an arithmetic number, because the mean of its divisors is an integer number (1332756804172).

Almost surely, 2^{2665513608343} is an apocalyptic number.

2665513608343 is a deficient number, since it is larger than the sum of its proper divisors (1).

2665513608343 is an equidigital number, since it uses as much as digits as its factorization.

2665513608343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9331200, while the sum is 52.

The spelling of 2665513608343 in words is "two trillion, six hundred sixty-five billion, five hundred thirteen million, six hundred eight thousand, three hundred forty-three".