5663721727513 has 2 divisors, whose sum is σ = 5663721727514. Its totient is φ = 5663721727512.

The previous prime is 5663721727463. The next prime is 5663721727619. The reversal of 5663721727513 is 3157271273665.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5663652704649 + 69022864 = 2379843^2 + 8308^2 .

It is a cyclic number.

It is not a de Polignac number, because 5663721727513 - 2⁴¹ = 3464698471961 is a prime.

It is not a weakly prime, because it can be changed into another prime (5663721722513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2831860863756 + 2831860863757.

It is an arithmetic number, because the mean of its divisors is an integer number (2831860863757).

Almost surely, 2^{5663721727513} is an apocalyptic number.

It is an amenable number.

5663721727513 is a deficient number, since it is larger than the sum of its proper divisors (1).

5663721727513 is an equidigital number, since it uses as much as digits as its factorization.

5663721727513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11113200, while the sum is 55.

The spelling of 5663721727513 in words is "five trillion, six hundred sixty-three billion, seven hundred twenty-one million, seven hundred twenty-seven thousand, five hundred thirteen".