547339188449 has 2 divisors, whose sum is σ = 547339188450. Its totient is φ = 547339188448.

The previous prime is 547339188427. The next prime is 547339188457. The reversal of 547339188449 is 944881933745.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 280256948449 + 267082240000 = 529393^2 + 516800^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-547339188449 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (547339188479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 273669594224 + 273669594225.

It is an arithmetic number, because the mean of its divisors is an integer number (273669594225).

Almost surely, 2^547339188449 is an apocalyptic number.

It is an amenable number.

547339188449 is a deficient number, since it is larger than the sum of its proper divisors (1).

547339188449 is an equidigital number, since it uses as much as digits as its factorization.

547339188449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 104509440, while the sum is 65.

The spelling of 547339188449 in words is "five hundred forty-seven billion, three hundred thirty-nine million, one hundred eighty-eight thousand, four hundred forty-nine".