546422389 has 2 divisors, whose sum is σ = 546422390. Its totient is φ = 546422388.

The previous prime is 546422363. The next prime is 546422407. The reversal of 546422389 is 983224645.

546422389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 459373489 + 87048900 = 21433^2 + 9330^2 .

It is a cyclic number.

It is not a de Polignac number, because 546422389 - 2⁹ = 546421877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (546422309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 273211194 + 273211195.

It is an arithmetic number, because the mean of its divisors is an integer number (273211195).

Almost surely, 2^546422389 is an apocalyptic number.

It is an amenable number.

546422389 is a deficient number, since it is larger than the sum of its proper divisors (1).

546422389 is an equidigital number, since it uses as much as digits as its factorization.

546422389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 414720, while the sum is 43.

The square root of 546422389 is about 23375.6794339758. The cubic root of 546422389 is about 817.5409121417.

The spelling of 546422389 in words is "five hundred forty-six million, four hundred twenty-two thousand, three hundred eighty-nine".