548864508653 has 2 divisors, whose sum is σ = 548864508654. Its totient is φ = 548864508652.

The previous prime is 548864508637. The next prime is 548864508667. The reversal of 548864508653 is 356805468845.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 548661674089 + 202834564 = 740717^2 + 14242^2 .

It is a cyclic number.

It is not a de Polignac number, because 548864508653 - 2⁴ = 548864508637 is a prime.

It is a super-2 number, since 2×548864508653² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (548864508613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274432254326 + 274432254327.

It is an arithmetic number, because the mean of its divisors is an integer number (274432254327).

Almost surely, 2^548864508653 is an apocalyptic number.

It is an amenable number.

548864508653 is a deficient number, since it is larger than the sum of its proper divisors (1).

548864508653 is an equidigital number, since it uses as much as digits as its factorization.

548864508653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 110592000, while the sum is 62.

The spelling of 548864508653 in words is "five hundred forty-eight billion, eight hundred sixty-four million, five hundred eight thousand, six hundred fifty-three".