540983983213 has 2 divisors, whose sum is σ = 540983983214. Its totient is φ = 540983983212.

The previous prime is 540983983201. The next prime is 540983983307. The reversal of 540983983213 is 312389389045.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 436462386409 + 104521596804 = 660653^2 + 323298^2 .

It is a cyclic number.

It is not a de Polignac number, because 540983983213 - 2²⁹ = 540447112301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (540983993213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270491991606 + 270491991607.

It is an arithmetic number, because the mean of its divisors is an integer number (270491991607).

Almost surely, 2^540983983213 is an apocalyptic number.

It is an amenable number.

540983983213 is a deficient number, since it is larger than the sum of its proper divisors (1).

540983983213 is an equidigital number, since it uses as much as digits as its factorization.

540983983213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5598720, while the sum is 55.

The spelling of 540983983213 in words is "five hundred forty billion, nine hundred eighty-three million, nine hundred eighty-three thousand, two hundred thirteen".