540256645259 has 2 divisors, whose sum is σ = 540256645260. Its totient is φ = 540256645258.

The previous prime is 540256645199. The next prime is 540256645319. The reversal of 540256645259 is 952546652045.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (540256645199) and next prime (540256645319).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-540256645259 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 540256645259.

It is not a weakly prime, because it can be changed into another prime (540256648259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270128322629 + 270128322630.

It is an arithmetic number, because the mean of its divisors is an integer number (270128322630).

Almost surely, 2^540256645259 is an apocalyptic number.

540256645259 is a deficient number, since it is larger than the sum of its proper divisors (1).

540256645259 is an equidigital number, since it uses as much as digits as its factorization.

540256645259 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960000, while the sum is 53.

The spelling of 540256645259 in words is "five hundred forty billion, two hundred fifty-six million, six hundred forty-five thousand, two hundred fifty-nine".