549719207 has 2 divisors, whose sum is σ = 549719208. Its totient is φ = 549719206.

The previous prime is 549719197. The next prime is 549719221. The reversal of 549719207 is 702917945.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 549719207 - 2⁸ = 549718951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (549719227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274859603 + 274859604.

It is an arithmetic number, because the mean of its divisors is an integer number (274859604).

Almost surely, 2^549719207 is an apocalyptic number.

549719207 is a deficient number, since it is larger than the sum of its proper divisors (1).

549719207 is an equidigital number, since it uses as much as digits as its factorization.

549719207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 158760, while the sum is 44.

The square root of 549719207 is about 23446.0915079678. The cubic root of 549719207 is about 819.1818167584.

The spelling of 549719207 in words is "five hundred forty-nine million, seven hundred nineteen thousand, two hundred seven".