5664430543249 has 2 divisors, whose sum is σ = 5664430543250. Its totient is φ = 5664430543248.

The previous prime is 5664430543139. The next prime is 5664430543253. The reversal of 5664430543249 is 9423450344665.

5664430543249 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5226742446849 + 437688096400 = 2286207^2 + 661580^2 .

It is a cyclic number.

It is not a de Polignac number, because 5664430543249 - 2¹⁵ = 5664430510481 is a prime.

It is a super-2 number, since 2×5664430543249² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5664430543249.

It is not a weakly prime, because it can be changed into another prime (5664430543549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2832215271624 + 2832215271625.

It is an arithmetic number, because the mean of its divisors is an integer number (2832215271625).

Almost surely, 2^{5664430543249} is an apocalyptic number.

It is an amenable number.

5664430543249 is a deficient number, since it is larger than the sum of its proper divisors (1).

5664430543249 is an equidigital number, since it uses as much as digits as its factorization.

5664430543249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37324800, while the sum is 55.

The spelling of 5664430543249 in words is "five trillion, six hundred sixty-four billion, four hundred thirty million, five hundred forty-three thousand, two hundred forty-nine".