540463543430309 has 2 divisors, whose sum is σ = 540463543430310. Its totient is φ = 540463543430308.

The previous prime is 540463543430263. The next prime is 540463543430329. The reversal of 540463543430309 is 903034345364045.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 518238258933409 + 22225284496900 = 22764847^2 + 4714370^2 .

It is a cyclic number.

It is not a de Polignac number, because 540463543430309 - 2⁴⁴ = 522871357385893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (540463543430329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270231771715154 + 270231771715155.

It is an arithmetic number, because the mean of its divisors is an integer number (270231771715155).

Almost surely, 2^{540463543430309} is an apocalyptic number.

It is an amenable number.

540463543430309 is a deficient number, since it is larger than the sum of its proper divisors (1).

540463543430309 is an equidigital number, since it uses as much as digits as its factorization.

540463543430309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27993600, while the sum is 53.

The spelling of 540463543430309 in words is "five hundred forty trillion, four hundred sixty-three billion, five hundred forty-three million, four hundred thirty thousand, three hundred nine".