546489443 has 2 divisors, whose sum is σ = 546489444. Its totient is φ = 546489442.

The previous prime is 546489397. The next prime is 546489479. The reversal of 546489443 is 344984645.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 546489443 - 2⁸ = 546489187 is a prime.

It is a super-2 number, since 2×546489443² = 597301422620900498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (546489143) 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 as a sum of consecutive naturals, namely, 273244721 + 273244722.

It is an arithmetic number, because the mean of its divisors is an integer number (273244722).

Almost surely, 2^546489443 is an apocalyptic number.

546489443 is a deficient number, since it is larger than the sum of its proper divisors (1).

546489443 is an equidigital number, since it uses as much as digits as its factorization.

546489443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1658880, while the sum is 47.

The square root of 546489443 is about 23377.1136584481. The cubic root of 546489443 is about 817.5743521734.

The spelling of 546489443 in words is "five hundred forty-six million, four hundred eighty-nine thousand, four hundred forty-three".