548620045349 has 2 divisors, whose sum is σ = 548620045350. Its totient is φ = 548620045348.

The previous prime is 548620045291. The next prime is 548620045453. The reversal of 548620045349 is 943540026845.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 287636997124 + 260983048225 = 536318^2 + 510865^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-548620045349 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 548620045297 and 548620045306.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (548620045049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274310022674 + 274310022675.

It is an arithmetic number, because the mean of its divisors is an integer number (274310022675).

Almost surely, 2^548620045349 is an apocalyptic number.

It is an amenable number.

548620045349 is a deficient number, since it is larger than the sum of its proper divisors (1).

548620045349 is an equidigital number, since it uses as much as digits as its factorization.

548620045349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4147200, while the sum is 50.

The spelling of 548620045349 in words is "five hundred forty-eight billion, six hundred twenty million, forty-five thousand, three hundred forty-nine".