540544372237 has 2 divisors, whose sum is σ = 540544372238. Its totient is φ = 540544372236.

The previous prime is 540544372213. The next prime is 540544372253. The reversal of 540544372237 is 732273445045.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 537239157156 + 3305215081 = 732966^2 + 57491^2 .

It is a cyclic number.

It is not a de Polignac number, because 540544372237 - 2²³ = 540535983629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (540544672237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270272186118 + 270272186119.

It is an arithmetic number, because the mean of its divisors is an integer number (270272186119).

Almost surely, 2^540544372237 is an apocalyptic number.

It is an amenable number.

540544372237 is a deficient number, since it is larger than the sum of its proper divisors (1).

540544372237 is an equidigital number, since it uses as much as digits as its factorization.

540544372237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2822400, while the sum is 46.

The spelling of 540544372237 in words is "five hundred forty billion, five hundred forty-four million, three hundred seventy-two thousand, two hundred thirty-seven".