546446189 has 2 divisors, whose sum is σ = 546446190. Its totient is φ = 546446188.

The previous prime is 546446179. The next prime is 546446233. The reversal of 546446189 is 981644645.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 478515625 + 67930564 = 21875^2 + 8242^2 .

It is a cyclic number.

It is not a de Polignac number, because 546446189 - 2¹² = 546442093 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (546446149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 273223094 + 273223095.

It is an arithmetic number, because the mean of its divisors is an integer number (273223095).

Almost surely, 2^546446189 is an apocalyptic number.

It is an amenable number.

546446189 is a deficient number, since it is larger than the sum of its proper divisors (1).

546446189 is an equidigital number, since it uses as much as digits as its factorization.

546446189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 829440, while the sum is 47.

The square root of 546446189 is about 23376.1885045445. The cubic root of 546446189 is about 817.5527815865.

The spelling of 546446189 in words is "five hundred forty-six million, four hundred forty-six thousand, one hundred eighty-nine".