540501728839 has 2 divisors, whose sum is σ = 540501728840. Its totient is φ = 540501728838.

The previous prime is 540501728779. The next prime is 540501728891. The reversal of 540501728839 is 938827105045.

It is a happy number.

It is an a-pointer prime, because the next prime (540501728891) can be obtained adding 540501728839 to its sum of digits (52).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 540501728839 - 2¹⁵ = 540501696071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (540501728339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270250864419 + 270250864420.

It is an arithmetic number, because the mean of its divisors is an integer number (270250864420).

Almost surely, 2^540501728839 is an apocalyptic number.

540501728839 is a deficient number, since it is larger than the sum of its proper divisors (1).

540501728839 is an equidigital number, since it uses as much as digits as its factorization.

540501728839 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2419200, while the sum is 52.

The spelling of 540501728839 in words is "five hundred forty billion, five hundred one million, seven hundred twenty-eight thousand, eight hundred thirty-nine".