549016451 has 2 divisors, whose sum is σ = 549016452. Its totient is φ = 549016450.

The previous prime is 549016441. The next prime is 549016469. The reversal of 549016451 is 154610945.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 549016451 - 2¹⁰ = 549015427 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (549016441) 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, 274508225 + 274508226.

It is an arithmetic number, because the mean of its divisors is an integer number (274508226).

Almost surely, 2^549016451 is an apocalyptic number.

549016451 is a deficient number, since it is larger than the sum of its proper divisors (1).

549016451 is an equidigital number, since it uses as much as digits as its factorization.

549016451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 549016451 is about 23431.1000808754. The cubic root of 549016451 is about 818.8325897224.

The spelling of 549016451 in words is "five hundred forty-nine million, sixteen thousand, four hundred fifty-one".