546740489 has 4 divisors (see below), whose sum is σ = 547553556. Its totient is φ = 545927424.

The previous prime is 546740479. The next prime is 546740501. The reversal of 546740489 is 984047645.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 312405625 + 234334864 = 17675^2 + 15308^2 .

It is a cyclic number.

It is not a de Polignac number, because 546740489 - 2²⁸ = 278305033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (546740419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 405524 + ... + 406869.

It is an arithmetic number, because the mean of its divisors is an integer number (136888389).

Almost surely, 2^546740489 is an apocalyptic number.

It is an amenable number.

546740489 is a deficient number, since it is larger than the sum of its proper divisors (813067).

546740489 is an equidigital number, since it uses as much as digits as its factorization.

546740489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813066.

The product of its (nonzero) digits is 967680, while the sum is 47.

The square root of 546740489 is about 23382.4825243172. The cubic root of 546740489 is about 817.6995252836.

The spelling of 546740489 in words is "five hundred forty-six million, seven hundred forty thousand, four hundred eighty-nine".