543868769 has 2 divisors, whose sum is σ = 543868770. Its totient is φ = 543868768.

The previous prime is 543868757. The next prime is 543868771. The reversal of 543868769 is 967868345.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 513475600 + 30393169 = 22660^2 + 5513^2 .

It is a cyclic number.

It is not a de Polignac number, because 543868769 - 2⁴ = 543868753 is a prime.

It is a super-2 number, since 2×543868769² = 591586475787150722, which contains 22 as substring.

Together with 543868771, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (543868799) 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 as a sum of consecutive naturals, namely, 271934384 + 271934385.

It is an arithmetic number, because the mean of its divisors is an integer number (271934385).

Almost surely, 2^543868769 is an apocalyptic number.

It is an amenable number.

543868769 is a deficient number, since it is larger than the sum of its proper divisors (1).

543868769 is an equidigital number, since it uses as much as digits as its factorization.

543868769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8709120, while the sum is 56.

The square root of 543868769 is about 23320.9941683454. The cubic root of 543868769 is about 816.2653729867.

The spelling of 543868769 in words is "five hundred forty-three million, eight hundred sixty-eight thousand, seven hundred sixty-nine".