542984643 has 6 divisors (see below), whose sum is σ = 784311164. Its totient is φ = 361989756.

The previous prime is 542984633. The next prime is 542984671. The reversal of 542984643 is 346489245.

It is not a de Polignac number, because 542984643 - 2⁴ = 542984627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542984633) 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 5 ways as a sum of consecutive naturals, for example, 30165805 + ... + 30165822.

Almost surely, 2^542984643 is an apocalyptic number.

542984643 is a deficient number, since it is larger than the sum of its proper divisors (241326521).

542984643 is a wasteful number, since it uses less digits than its factorization.

542984643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60331633 (or 60331630 counting only the distinct ones).

The product of its digits is 829440, while the sum is 45.

The square root of 542984643 is about 23302.0308771575. The cubic root of 542984643 is about 815.8228196266.

The spelling of 542984643 in words is "five hundred forty-two million, nine hundred eighty-four thousand, six hundred forty-three".