547636489 has 8 divisors (see below), whose sum is σ = 554714888. Its totient is φ = 540587520.

The previous prime is 547636471. The next prime is 547636501. The reversal of 547636489 is 984636745.

It can be written as a sum of positive squares in 4 ways, for example, as 149035264 + 398601225 = 12208^2 + 19965^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 547636489 - 2⁵ = 547636457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (547636189) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31399 + ... + 45619.

It is an arithmetic number, because the mean of its divisors is an integer number (69339361).

Almost surely, 2^547636489 is an apocalyptic number.

It is an amenable number.

547636489 is a deficient number, since it is larger than the sum of its proper divisors (7078399).

547636489 is a wasteful number, since it uses less digits than its factorization.

547636489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14715.

The product of its digits is 4354560, while the sum is 52.

The square root of 547636489 is about 23401.6343232690. The cubic root of 547636489 is about 818.1459643320.

The spelling of 547636489 in words is "five hundred forty-seven million, six hundred thirty-six thousand, four hundred eighty-nine".