540613320343 has 2 divisors, whose sum is σ = 540613320344. Its totient is φ = 540613320342.

The previous prime is 540613320341. The next prime is 540613320353. The reversal of 540613320343 is 343023316045.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 540613320343 - 2¹ = 540613320341 is a prime.

Together with 540613320341, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 540613320299 and 540613320308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (540613320341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270306660171 + 270306660172.

It is an arithmetic number, because the mean of its divisors is an integer number (270306660172).

Almost surely, 2^540613320343 is an apocalyptic number.

540613320343 is a deficient number, since it is larger than the sum of its proper divisors (1).

540613320343 is an equidigital number, since it uses as much as digits as its factorization.

540613320343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 34.

Adding to 540613320343 its reverse (343023316045), we get a palindrome (883636636388).

The spelling of 540613320343 in words is "five hundred forty billion, six hundred thirteen million, three hundred twenty thousand, three hundred forty-three".