546989193 has 10 divisors (see below), whose sum is σ = 817107434. Its totient is φ = 364659408.

The previous prime is 546989189. The next prime is 546989227. The reversal of 546989193 is 391989645.

546989193 is a `hidden beast` number, since 5 + 469 + 8 + 91 + 93 = 666.

It can be written as a sum of positive squares in only one way, i.e., 353139264 + 193849929 = 18792^2 + 13923^2 .

It is not a de Polignac number, because 546989193 - 2² = 546989189 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (546989123) 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 9 ways as a sum of consecutive naturals, for example, 3376396 + ... + 3376557.

Almost surely, 2^546989193 is an apocalyptic number.

It is an amenable number.

546989193 is a deficient number, since it is larger than the sum of its proper divisors (270118241).

546989193 is an equidigital number, since it uses as much as digits as its factorization.

546989193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6752965 (or 6752956 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 54.

The square root of 546989193 is about 23387.8000889353. The cubic root of 546989193 is about 817.8234928811.

The spelling of 546989193 in words is "five hundred forty-six million, nine hundred eighty-nine thousand, one hundred ninety-three".