2688959543 has 2 divisors, whose sum is σ = 2688959544. Its totient is φ = 2688959542.

The previous prime is 2688959521. The next prime is 2688959563. The reversal of 2688959543 is 3459598862.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2688959543 - 2¹² = 2688955447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2688959503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1344479771 + 1344479772.

It is an arithmetic number, because the mean of its divisors is an integer number (1344479772).

Almost surely, 2^2688959543 is an apocalyptic number.

2688959543 is a deficient number, since it is larger than the sum of its proper divisors (1).

2688959543 is an equidigital number, since it uses as much as digits as its factorization.

2688959543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18662400, while the sum is 59.

The square root of 2688959543 is about 51855.1785552803. The cubic root of 2688959543 is about 1390.5760845534.

The spelling of 2688959543 in words is "two billion, six hundred eighty-eight million, nine hundred fifty-nine thousand, five hundred forty-three".