549425852149 has 2 divisors, whose sum is σ = 549425852150. Its totient is φ = 549425852148.

The previous prime is 549425852137. The next prime is 549425852153. The reversal of 549425852149 is 941258524945.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 374321265124 + 175104587025 = 611818^2 + 418455^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-549425852149 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 549425852093 and 549425852102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (549425852159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274712926074 + 274712926075.

It is an arithmetic number, because the mean of its divisors is an integer number (274712926075).

Almost surely, 2^549425852149 is an apocalyptic number.

It is an amenable number.

549425852149 is a deficient number, since it is larger than the sum of its proper divisors (1).

549425852149 is an equidigital number, since it uses as much as digits as its factorization.

549425852149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736000, while the sum is 58.

The spelling of 549425852149 in words is "five hundred forty-nine billion, four hundred twenty-five million, eight hundred fifty-two thousand, one hundred forty-nine".