549033869 has 2 divisors, whose sum is σ = 549033870. Its totient is φ = 549033868.

The previous prime is 549033857. The next prime is 549033883. The reversal of 549033869 is 968330945.

549033869 is digitally balanced in base 2, 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., 545829769 + 3204100 = 23363^2 + 1790^2 .

It is a cyclic number.

It is not a de Polignac number, because 549033869 - 2²⁴ = 532256653 is a prime.

It is a super-2 number, since 2×549033869² = 602876378618218322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (549033769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274516934 + 274516935.

It is an arithmetic number, because the mean of its divisors is an integer number (274516935).

Almost surely, 2^549033869 is an apocalyptic number.

It is an amenable number.

549033869 is a deficient number, since it is larger than the sum of its proper divisors (1).

549033869 is an equidigital number, since it uses as much as digits as its factorization.

549033869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 699840, while the sum is 47.

The square root of 549033869 is about 23431.4717634211. The cubic root of 549033869 is about 818.8412490107.

The spelling of 549033869 in words is "five hundred forty-nine million, thirty-three thousand, eight hundred sixty-nine".