543495969 has 27 divisors (see below), whose sum is σ = 830573523. Its totient is φ = 342421344.

The previous prime is 543495941. The next prime is 543496021. The reversal of 543495969 is 969594345.

The square root of 543495969 is 23313.

It is a perfect power (a square), and thus also a powerful number.

543495969 is a `hidden beast` number, since 5 + 4 + 3 + 49 + 596 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 496710369 + 46785600 = 22287^2 + 6840^2 .

It is not a de Polignac number, because 543495969 - 2¹¹ = 543493921 is a prime.

It is a super-2 number, since 2×543495969² = 590775736638497922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (543495919) 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 26 ways as a sum of consecutive naturals, for example, 1328637 + ... + 1329045.

Almost surely, 2^543495969 is an apocalyptic number.

543495969 is the 23313-rd square number.

543495969 is the 11657-th centered octagonal number.

It is an amenable number.

543495969 is a deficient number, since it is larger than the sum of its proper divisors (287077554).

543495969 is an equidigital number, since it uses as much as digits as its factorization.

543495969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862 (or 431 counting only the distinct ones).

The product of its digits is 5248800, while the sum is 54.

The cubic root of 543495969 is about 816.0788247455.

The spelling of 543495969 in words is "five hundred forty-three million, four hundred ninety-five thousand, nine hundred sixty-nine".