540810369439 has 2 divisors, whose sum is σ = 540810369440. Its totient is φ = 540810369438.

The previous prime is 540810369409. The next prime is 540810369457. The reversal of 540810369439 is 934963018045.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 540810369439 - 2¹⁹ = 540809845151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (540810369409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270405184719 + 270405184720.

It is an arithmetic number, because the mean of its divisors is an integer number (270405184720).

Almost surely, 2^540810369439 is an apocalyptic number.

540810369439 is a deficient number, since it is larger than the sum of its proper divisors (1).

540810369439 is an equidigital number, since it uses as much as digits as its factorization.

540810369439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2799360, while the sum is 52.

The spelling of 540810369439 in words is "five hundred forty billion, eight hundred ten million, three hundred sixty-nine thousand, four hundred thirty-nine".