547730609549 has 4 divisors (see below), whose sum is σ = 547872402336. Its totient is φ = 547588816764.

The previous prime is 547730609539. The next prime is 547730609563. The reversal of 547730609549 is 945906037745.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 945906037745 = 5 ⋅189181207549.

It is a cyclic number.

It is not a de Polignac number, because 547730609549 - 2¹⁶ = 547730544013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (547730609539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70890599 + ... + 70898324.

It is an arithmetic number, because the mean of its divisors is an integer number (136968100584).

Almost surely, 2^547730609549 is an apocalyptic number.

It is an amenable number.

547730609549 is a deficient number, since it is larger than the sum of its proper divisors (141792787).

547730609549 is a wasteful number, since it uses less digits than its factorization.

547730609549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141792786.

The product of its (nonzero) digits is 28576800, while the sum is 59.

The spelling of 547730609549 in words is "five hundred forty-seven billion, seven hundred thirty million, six hundred nine thousand, five hundred forty-nine".