4636422968549 has 2 divisors, whose sum is σ = 4636422968550. Its totient is φ = 4636422968548.

The previous prime is 4636422968543. The next prime is 4636422968641. The reversal of 4636422968549 is 9458692246364.

4636422968549 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3027102380449 + 1609320588100 = 1739857^2 + 1268590^2 .

It is a cyclic number.

It is not a de Polignac number, because 4636422968549 - 2⁸ = 4636422968293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4636422968543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2318211484274 + 2318211484275.

It is an arithmetic number, because the mean of its divisors is an integer number (2318211484275).

Almost surely, 2^{4636422968549} is an apocalyptic number.

It is an amenable number.

4636422968549 is a deficient number, since it is larger than the sum of its proper divisors (1).

4636422968549 is an equidigital number, since it uses as much as digits as its factorization.

4636422968549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 537477120, while the sum is 68.

The spelling of 4636422968549 in words is "four trillion, six hundred thirty-six billion, four hundred twenty-two million, nine hundred sixty-eight thousand, five hundred forty-nine".