549998363 has 2 divisors, whose sum is σ = 549998364. Its totient is φ = 549998362.

The previous prime is 549998321. The next prime is 549998381. The reversal of 549998363 is 363899945.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 549998363 - 2¹² = 549994267 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 549998299 and 549998308.

It is not a weakly prime, because it can be changed into another prime (549998963) 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, 274999181 + 274999182.

It is an arithmetic number, because the mean of its divisors is an integer number (274999182).

Almost surely, 2^549998363 is an apocalyptic number.

549998363 is a deficient number, since it is larger than the sum of its proper divisors (1).

549998363 is an equidigital number, since it uses as much as digits as its factorization.

549998363 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6298560, while the sum is 56.

The square root of 549998363 is about 23452.0438981339. The cubic root of 549998363 is about 819.3204577338.

The spelling of 549998363 in words is "five hundred forty-nine million, nine hundred ninety-eight thousand, three hundred sixty-three".