549292969 has 9 divisors (see below), whose sum is σ = 574777693. Its totient is φ = 524895052.

The previous prime is 549292957. The next prime is 549292979. The reversal of 549292969 is 969292945.

It is a happy number.

The square root of 549292969 is 23437.

It is a perfect power (a square), and thus also a powerful number.

549292969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 549292969 - 2⁷ = 549292841 is a prime.

It is a super-2 number, since 2×549292969² = 603445531585669922, which contains 22 as substring.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (549292979) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 538542 + ... + 539560.

Almost surely, 2^549292969 is an apocalyptic number.

549292969 is the 23437-th square number.

549292969 is the 11719-th centered octagonal number.

It is an amenable number.

549292969 is a deficient number, since it is larger than the sum of its proper divisors (25484724).

549292969 is an frugal number, since it uses more digits than its factorization.

549292969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2084 (or 1042 counting only the distinct ones).

The product of its digits is 3149280, while the sum is 55.

The cubic root of 549292969 is about 818.9700379093.

The spelling of 549292969 in words is "five hundred forty-nine million, two hundred ninety-two thousand, nine hundred sixty-nine".