543904869 has 8 divisors (see below), whose sum is σ = 730009792. Its totient is φ = 360201600.

The previous prime is 543904843. The next prime is 543904873. The reversal of 543904869 is 968409345.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 543904869 - 2¹⁹ = 543380581 is a prime.

It is a super-2 number, since 2×543904869² = 591665013043814322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (543904769) 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 7 ways as a sum of consecutive naturals, for example, 599884 + ... + 600789.

It is an arithmetic number, because the mean of its divisors is an integer number (91251224).

Almost surely, 2^543904869 is an apocalyptic number.

It is an amenable number.

543904869 is a deficient number, since it is larger than the sum of its proper divisors (186104923).

543904869 is a wasteful number, since it uses less digits than its factorization.

543904869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1200827.

The product of its (nonzero) digits is 933120, while the sum is 48.

The square root of 543904869 is about 23321.7681362284. The cubic root of 543904869 is about 816.2834328139.

The spelling of 543904869 in words is "five hundred forty-three million, nine hundred four thousand, eight hundred sixty-nine".