549074399 has 2 divisors, whose sum is σ = 549074400. Its totient is φ = 549074398.

The previous prime is 549074389. The next prime is 549074431. The reversal of 549074399 is 993470945.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 549074399 - 2²⁰ = 548025823 is a prime.

It is a super-2 number, since 2×549074399² = 602965391274422402, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (549074389) 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, 274537199 + 274537200.

It is an arithmetic number, because the mean of its divisors is an integer number (274537200).

Almost surely, 2^549074399 is an apocalyptic number.

549074399 is a deficient number, since it is larger than the sum of its proper divisors (1).

549074399 is an equidigital number, since it uses as much as digits as its factorization.

549074399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1224720, while the sum is 50.

The square root of 549074399 is about 23432.3366099073. The cubic root of 549074399 is about 818.8613976276.

The spelling of 549074399 in words is "five hundred forty-nine million, seventy-four thousand, three hundred ninety-nine".