5663721727619 has 2 divisors, whose sum is σ = 5663721727620. Its totient is φ = 5663721727618.

The previous prime is 5663721727513. The next prime is 5663721727637. The reversal of 5663721727619 is 9167271273665.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5663721727619 is a prime.

It is a super-2 number, since 2×5663721727619² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5663721727019) 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, 2831860863809 + 2831860863810.

It is an arithmetic number, because the mean of its divisors is an integer number (2831860863810).

Almost surely, 2^{5663721727619} is an apocalyptic number.

5663721727619 is a deficient number, since it is larger than the sum of its proper divisors (1).

5663721727619 is an equidigital number, since it uses as much as digits as its factorization.

5663721727619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40007520, while the sum is 62.

The spelling of 5663721727619 in words is "five trillion, six hundred sixty-three billion, seven hundred twenty-one million, seven hundred twenty-seven thousand, six hundred nineteen".