545532540523393 has 2 divisors, whose sum is σ = 545532540523394. Its totient is φ = 545532540523392.

The previous prime is 545532540523357. The next prime is 545532540523447. The reversal of 545532540523393 is 393325045235545.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 542317576770369 + 3214963753024 = 23287713^2 + 1793032^2 .

It is a cyclic number.

It is not a de Polignac number, because 545532540523393 - 2¹³ = 545532540515201 is a prime.

It is not a weakly prime, because it can be changed into another prime (545532540521393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272766270261696 + 272766270261697.

It is an arithmetic number, because the mean of its divisors is an integer number (272766270261697).

Almost surely, 2^{545532540523393} is an apocalyptic number.

It is an amenable number.

545532540523393 is a deficient number, since it is larger than the sum of its proper divisors (1).

545532540523393 is an equidigital number, since it uses as much as digits as its factorization.

545532540523393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145800000, while the sum is 58.

The spelling of 545532540523393 in words is "five hundred forty-five trillion, five hundred thirty-two billion, five hundred forty million, five hundred twenty-three thousand, three hundred ninety-three".