4456588856549 has 2 divisors, whose sum is σ = 4456588856550. Its totient is φ = 4456588856548.

The previous prime is 4456588856527. The next prime is 4456588856593. The reversal of 4456588856549 is 9456588856544.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2745350748100 + 1711238108449 = 1656910^2 + 1308143^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4456588856549 is a prime.

It is a super-2 number, since 2×4456588856549² (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 4456588856549.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4456588856449) 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, 2228294428274 + 2228294428275.

It is an arithmetic number, because the mean of its divisors is an integer number (2228294428275).

Almost surely, 2^{4456588856549} is an apocalyptic number.

It is an amenable number.

4456588856549 is a deficient number, since it is larger than the sum of its proper divisors (1).

4456588856549 is an equidigital number, since it uses as much as digits as its factorization.

4456588856549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6635520000, while the sum is 77.

The spelling of 4456588856549 in words is "four trillion, four hundred fifty-six billion, five hundred eighty-eight million, eight hundred fifty-six thousand, five hundred forty-nine".