549824135249 has 2 divisors, whose sum is σ = 549824135250. Its totient is φ = 549824135248.

The previous prime is 549824135233. The next prime is 549824135251. The reversal of 549824135249 is 942531428945.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 345491206225 + 204332929024 = 587785^2 + 452032^2 .

It is a cyclic number.

It is not a de Polignac number, because 549824135249 - 2⁴ = 549824135233 is a prime.

Together with 549824135251, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 549824135194 and 549824135203.

It is not a weakly prime, because it can be changed into another prime (549824135269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274912067624 + 274912067625.

It is an arithmetic number, because the mean of its divisors is an integer number (274912067625).

Almost surely, 2^549824135249 is an apocalyptic number.

It is an amenable number.

549824135249 is a deficient number, since it is larger than the sum of its proper divisors (1).

549824135249 is an equidigital number, since it uses as much as digits as its factorization.

549824135249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12441600, while the sum is 56.

The spelling of 549824135249 in words is "five hundred forty-nine billion, eight hundred twenty-four million, one hundred thirty-five thousand, two hundred forty-nine".