546421843 has 12 divisors (see below), whose sum is σ = 601336624. Its totient is φ = 496148400.

The previous prime is 546421831. The next prime is 546421849. The reversal of 546421843 is 348124645.

It is a de Polignac number, because none of the positive numbers 2^k-546421843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (546421849) 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 in 11 ways as a sum of consecutive naturals, for example, 121330 + ... + 125752.

Almost surely, 2^546421843 is an apocalyptic number.

546421843 is a deficient number, since it is larger than the sum of its proper divisors (54914781).

546421843 is a wasteful number, since it uses less digits than its factorization.

546421843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5466 (or 5455 counting only the distinct ones).

The product of its digits is 92160, while the sum is 37.

The square root of 546421843 is about 23375.6677551680. The cubic root of 546421843 is about 817.5406398386.

The spelling of 546421843 in words is "five hundred forty-six million, four hundred twenty-one thousand, eight hundred forty-three".