549177260249 has 2 divisors, whose sum is σ = 549177260250. Its totient is φ = 549177260248.

The previous prime is 549177260237. The next prime is 549177260279. The reversal of 549177260249 is 942062771945.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 418650409024 + 130526851225 = 647032^2 + 361285^2 .

It is a cyclic number.

It is not a de Polignac number, because 549177260249 - 2²⁰ = 549176211673 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 549177260194 and 549177260203.

It is not a weakly prime, because it can be changed into another prime (549177260279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274588630124 + 274588630125.

It is an arithmetic number, because the mean of its divisors is an integer number (274588630125).

Almost surely, 2^549177260249 is an apocalyptic number.

It is an amenable number.

549177260249 is a deficient number, since it is larger than the sum of its proper divisors (1).

549177260249 is an equidigital number, since it uses as much as digits as its factorization.

549177260249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7620480, while the sum is 56.

The spelling of 549177260249 in words is "five hundred forty-nine billion, one hundred seventy-seven million, two hundred sixty thousand, two hundred forty-nine".