549158339 has 2 divisors, whose sum is σ = 549158340. Its totient is φ = 549158338.

The previous prime is 549158321. The next prime is 549158353. The reversal of 549158339 is 933851945.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 549158339 - 2²⁰ = 548109763 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 549158293 and 549158302.

It is not a weakly prime, because it can be changed into another prime (549158359) 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, 274579169 + 274579170.

It is an arithmetic number, because the mean of its divisors is an integer number (274579170).

Almost surely, 2^549158339 is an apocalyptic number.

549158339 is a deficient number, since it is larger than the sum of its proper divisors (1).

549158339 is an equidigital number, since it uses as much as digits as its factorization.

549158339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 583200, while the sum is 47.

The square root of 549158339 is about 23434.1276560490. The cubic root of 549158339 is about 818.9031234383.

The spelling of 549158339 in words is "five hundred forty-nine million, one hundred fifty-eight thousand, three hundred thirty-nine".