540647706427 has 2 divisors, whose sum is σ = 540647706428. Its totient is φ = 540647706426.

The previous prime is 540647706407. The next prime is 540647706461. The reversal of 540647706427 is 724607746045.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 540647706427 - 2³¹ = 538500222779 is a prime.

It is not a weakly prime, because it can be changed into another prime (540647706407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270323853213 + 270323853214.

It is an arithmetic number, because the mean of its divisors is an integer number (270323853214).

Almost surely, 2^540647706427 is an apocalyptic number.

540647706427 is a deficient number, since it is larger than the sum of its proper divisors (1).

540647706427 is an equidigital number, since it uses as much as digits as its factorization.

540647706427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7902720, while the sum is 52.

The spelling of 540647706427 in words is "five hundred forty billion, six hundred forty-seven million, seven hundred six thousand, four hundred twenty-seven".