549590443201 has 2 divisors, whose sum is σ = 549590443202. Its totient is φ = 549590443200.

The previous prime is 549590443189. The next prime is 549590443223. The reversal of 549590443201 is 102344095945.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 528309468801 + 21280974400 = 726849^2 + 145880^2 .

It is a cyclic number.

It is not a de Polignac number, because 549590443201 - 2⁵ = 549590443169 is a prime.

It is not a weakly prime, because it can be changed into another prime (549590443271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274795221600 + 274795221601.

It is an arithmetic number, because the mean of its divisors is an integer number (274795221601).

Almost surely, 2^549590443201 is an apocalyptic number.

It is an amenable number.

549590443201 is a deficient number, since it is larger than the sum of its proper divisors (1).

549590443201 is an equidigital number, since it uses as much as digits as its factorization.

549590443201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 777600, while the sum is 46.

The spelling of 549590443201 in words is "five hundred forty-nine billion, five hundred ninety million, four hundred forty-three thousand, two hundred one".