549044399 has 2 divisors, whose sum is σ = 549044400. Its totient is φ = 549044398.

The previous prime is 549044381. The next prime is 549044417. The reversal of 549044399 is 993440945.

It is a balanced prime because it is at equal distance from previous prime (549044381) and next prime (549044417).

It is a cyclic number.

It is not a de Polignac number, because 549044399 - 2⁸ = 549044143 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (549044099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274522199 + 274522200.

It is an arithmetic number, because the mean of its divisors is an integer number (274522200).

Almost surely, 2^549044399 is an apocalyptic number.

549044399 is a deficient number, since it is larger than the sum of its proper divisors (1).

549044399 is an equidigital number, since it uses as much as digits as its factorization.

549044399 is an evil number, because the sum of its binary digits is even.

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

The square root of 549044399 is about 23431.6964601371. The cubic root of 549044399 is about 818.8464838688.

The spelling of 549044399 in words is "five hundred forty-nine million, forty-four thousand, three hundred ninety-nine".