2663705543 has 2 divisors, whose sum is σ = 2663705544. Its totient is φ = 2663705542.

The previous prime is 2663705531. The next prime is 2663705549. The reversal of 2663705543 is 3455073662.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2663705543 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2663705543.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2663705549) 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, 1331852771 + 1331852772.

It is an arithmetic number, because the mean of its divisors is an integer number (1331852772).

Almost surely, 2^2663705543 is an apocalyptic number.

2663705543 is a deficient number, since it is larger than the sum of its proper divisors (1).

2663705543 is an equidigital number, since it uses as much as digits as its factorization.

2663705543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 453600, while the sum is 41.

The square root of 2663705543 is about 51611.0990291817. The cubic root of 2663705543 is about 1386.2090764777.

The spelling of 2663705543 in words is "two billion, six hundred sixty-three million, seven hundred five thousand, five hundred forty-three".