540042322049 has 2 divisors, whose sum is σ = 540042322050. Its totient is φ = 540042322048.

The previous prime is 540042322013. The next prime is 540042322093. The reversal of 540042322049 is 940223240045.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 426898890625 + 113143431424 = 653375^2 + 336368^2 .

It is a cyclic number.

It is not a de Polignac number, because 540042322049 - 2³⁶ = 471322845313 is a prime.

It is not a weakly prime, because it can be changed into another prime (540042322349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270021161024 + 270021161025.

It is an arithmetic number, because the mean of its divisors is an integer number (270021161025).

Almost surely, 2^540042322049 is an apocalyptic number.

It is an amenable number.

540042322049 is a deficient number, since it is larger than the sum of its proper divisors (1).

540042322049 is an equidigital number, since it uses as much as digits as its factorization.

540042322049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 35.

The spelling of 540042322049 in words is "five hundred forty billion, forty-two million, three hundred twenty-two thousand, forty-nine".