543064643 has 32 divisors (see below), whose sum is σ = 653184000. Its totient is φ = 445688320.

The previous prime is 543064633. The next prime is 543064657. The reversal of 543064643 is 346460345.

It is not a de Polignac number, because 543064643 - 2¹⁸ = 542802499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (543064633) 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 31 ways as a sum of consecutive naturals, for example, 1295888 + ... + 1296306.

It is an arithmetic number, because the mean of its divisors is an integer number (20412000).

Almost surely, 2^543064643 is an apocalyptic number.

543064643 is a deficient number, since it is larger than the sum of its proper divisors (110119357).

543064643 is a wasteful number, since it uses less digits than its factorization.

543064643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715.

The product of its (nonzero) digits is 103680, while the sum is 35.

The square root of 543064643 is about 23303.7474025102. The cubic root of 543064643 is about 815.8628837557.

The spelling of 543064643 in words is "five hundred forty-three million, sixty-four thousand, six hundred forty-three".