540463543430501 has 2 divisors, whose sum is σ = 540463543430502. Its totient is φ = 540463543430500.

The previous prime is 540463543430477. The next prime is 540463543430561. The reversal of 540463543430501 is 105034345364045.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 540456950152900 + 6593277601 = 23247730^2 + 81199^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-540463543430501 is a prime.

It is a super-2 number, since 2×540463543430501² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (540463543430561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270231771715250 + 270231771715251.

It is an arithmetic number, because the mean of its divisors is an integer number (270231771715251).

Almost surely, 2^{540463543430501} is an apocalyptic number.

It is an amenable number.

540463543430501 is a deficient number, since it is larger than the sum of its proper divisors (1).

540463543430501 is an equidigital number, since it uses as much as digits as its factorization.

540463543430501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184000, while the sum is 47.

Adding to 540463543430501 its reverse (105034345364045), we get a palindrome (645497888794546).

The spelling of 540463543430501 in words is "five hundred forty trillion, four hundred sixty-three billion, five hundred forty-three million, four hundred thirty thousand, five hundred one".