543445099 has 2 divisors, whose sum is σ = 543445100. Its totient is φ = 543445098.

The previous prime is 543445057. The next prime is 543445109. The reversal of 543445099 is 990544345.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-543445099 is a prime.

It is not a weakly prime, because it can be changed into another prime (543445499) 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 as a sum of consecutive naturals, namely, 271722549 + 271722550.

It is an arithmetic number, because the mean of its divisors is an integer number (271722550).

Almost surely, 2^543445099 is an apocalyptic number.

543445099 is a deficient number, since it is larger than the sum of its proper divisors (1).

543445099 is an equidigital number, since it uses as much as digits as its factorization.

543445099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 388800, while the sum is 43.

The square root of 543445099 is about 23311.9089522930. The cubic root of 543445099 is about 816.0533629038.

The spelling of 543445099 in words is "five hundred forty-three million, four hundred forty-five thousand, ninety-nine".