543848449 has 2 divisors, whose sum is σ = 543848450. Its totient is φ = 543848448.

The previous prime is 543848369. The next prime is 543848497. The reversal of 543848449 is 944848345.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 279558400 + 264290049 = 16720^2 + 16257^2 .

It is a cyclic number.

It is not a de Polignac number, because 543848449 - 2¹⁵ = 543815681 is a prime.

It is a super-2 number, since 2×543848449² = 591542270959411202, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (543848749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271924224 + 271924225.

It is an arithmetic number, because the mean of its divisors is an integer number (271924225).

Almost surely, 2^543848449 is an apocalyptic number.

It is an amenable number.

543848449 is a deficient number, since it is larger than the sum of its proper divisors (1).

543848449 is an equidigital number, since it uses as much as digits as its factorization.

543848449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2211840, while the sum is 49.

The square root of 543848449 is about 23320.5585053189. The cubic root of 543848449 is about 816.2552071036.

The spelling of 543848449 in words is "five hundred forty-three million, eight hundred forty-eight thousand, four hundred forty-nine".