540943545239 has 2 divisors, whose sum is σ = 540943545240. Its totient is φ = 540943545238.

The previous prime is 540943545227. The next prime is 540943545257. The reversal of 540943545239 is 932545349045.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 540943545239 - 2²⁰ = 540942496663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (540943545209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270471772619 + 270471772620.

It is an arithmetic number, because the mean of its divisors is an integer number (270471772620).

Almost surely, 2^540943545239 is an apocalyptic number.

540943545239 is a deficient number, since it is larger than the sum of its proper divisors (1).

540943545239 is an equidigital number, since it uses as much as digits as its factorization.

540943545239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664000, while the sum is 53.

The spelling of 540943545239 in words is "five hundred forty billion, nine hundred forty-three million, five hundred forty-five thousand, two hundred thirty-nine".