549599419 has 2 divisors, whose sum is σ = 549599420. Its totient is φ = 549599418.

The previous prime is 549599417. The next prime is 549599431. The reversal of 549599419 is 914995945.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 549599419 - 2¹ = 549599417 is a prime.

It is a super-2 number, since 2×549599419² = 604119042730275122, which contains 22 as substring.

Together with 549599417, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 549599419.

It is not a weakly prime, because it can be changed into another prime (549599417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274799709 + 274799710.

It is an arithmetic number, because the mean of its divisors is an integer number (274799710).

Almost surely, 2^549599419 is an apocalyptic number.

549599419 is a deficient number, since it is larger than the sum of its proper divisors (1).

549599419 is an equidigital number, since it uses as much as digits as its factorization.

549599419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2624400, while the sum is 55.

The square root of 549599419 is about 23443.5368278765. The cubic root of 549599419 is about 819.1223104513.

The spelling of 549599419 in words is "five hundred forty-nine million, five hundred ninety-nine thousand, four hundred nineteen".