540355343449979 has 2 divisors, whose sum is σ = 540355343449980. Its totient is φ = 540355343449978.

The previous prime is 540355343449969. The next prime is 540355343450047. The reversal of 540355343449979 is 979944343553045.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-540355343449979 is a prime.

It is not a weakly prime, because it can be changed into another prime (540355343449939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270177671724989 + 270177671724990.

It is an arithmetic number, because the mean of its divisors is an integer number (270177671724990).

Almost surely, 2^{540355343449979} is an apocalyptic number.

540355343449979 is a deficient number, since it is larger than the sum of its proper divisors (1).

540355343449979 is an equidigital number, since it uses as much as digits as its factorization.

540355343449979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4408992000, while the sum is 74.

The spelling of 540355343449979 in words is "five hundred forty trillion, three hundred fifty-five billion, three hundred forty-three million, four hundred forty-nine thousand, nine hundred seventy-nine".