546646473 has 24 divisors (see below), whose sum is σ = 853632000. Its totient is φ = 335915424.

The previous prime is 546646459. The next prime is 546646493. The reversal of 546646473 is 374646645.

It is a happy number.

546646473 is a `hidden beast` number, since 546 + 64 + 6 + 47 + 3 = 666.

It is not a de Polignac number, because 546646473 - 2⁶ = 546646409 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (546646403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36873 + ... + 49526.

It is an arithmetic number, because the mean of its divisors is an integer number (35568000).

Almost surely, 2^546646473 is an apocalyptic number.

It is an amenable number.

546646473 is a deficient number, since it is larger than the sum of its proper divisors (306985527).

546646473 is a wasteful number, since it uses less digits than its factorization.

546646473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86461 (or 86458 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 45.

The square root of 546646473 is about 23380.4720439943. The cubic root of 546646473 is about 817.6526528051.

The spelling of 546646473 in words is "five hundred forty-six million, six hundred forty-six thousand, four hundred seventy-three".