549202316549 has 2 divisors, whose sum is σ = 549202316550. Its totient is φ = 549202316548.

The previous prime is 549202316519. The next prime is 549202316563. The reversal of 549202316549 is 945613202945.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 527003402500 + 22198914049 = 725950^2 + 148993^2 .

It is a cyclic number.

It is not a de Polignac number, because 549202316549 - 2⁸ = 549202316293 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 549202316497 and 549202316506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (549202316519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274601158274 + 274601158275.

It is an arithmetic number, because the mean of its divisors is an integer number (274601158275).

Almost surely, 2^549202316549 is an apocalyptic number.

It is an amenable number.

549202316549 is a deficient number, since it is larger than the sum of its proper divisors (1).

549202316549 is an equidigital number, since it uses as much as digits as its factorization.

549202316549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2332800, while the sum is 50.

The spelling of 549202316549 in words is "five hundred forty-nine billion, two hundred two million, three hundred sixteen thousand, five hundred forty-nine".