549414709 has 2 divisors, whose sum is σ = 549414710. Its totient is φ = 549414708.

The previous prime is 549414707. The next prime is 549414713. The reversal of 549414709 is 907414945.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 543915684 + 5499025 = 23322^2 + 2345^2 .

It is a cyclic number.

It is not a de Polignac number, because 549414709 - 2¹ = 549414707 is a prime.

Together with 549414707, it forms a pair of twin primes.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (549414707) 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, 274707354 + 274707355.

It is an arithmetic number, because the mean of its divisors is an integer number (274707355).

Almost surely, 2^549414709 is an apocalyptic number.

It is an amenable number.

549414709 is a deficient number, since it is larger than the sum of its proper divisors (1).

549414709 is an equidigital number, since it uses as much as digits as its factorization.

549414709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 549414709 is about 23439.5970315191. The cubic root of 549414709 is about 819.0305363157.

The spelling of 549414709 in words is "five hundred forty-nine million, four hundred fourteen thousand, seven hundred nine".