2543105419 has 2 divisors, whose sum is σ = 2543105420. Its totient is φ = 2543105418.

The previous prime is 2543105393. The next prime is 2543105431. The reversal of 2543105419 is 9145013452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2543105419 - 2⁷ = 2543105291 is a prime.

It is a super-2 number, since 2×2543105419² = 12934770344294331122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2543105449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1271552709 + 1271552710.

It is an arithmetic number, because the mean of its divisors is an integer number (1271552710).

Almost surely, 2^2543105419 is an apocalyptic number.

2543105419 is a deficient number, since it is larger than the sum of its proper divisors (1).

2543105419 is an equidigital number, since it uses as much as digits as its factorization.

2543105419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 2543105419 is about 50429.2119609260. The cubic root of 2543105419 is about 1364.9648081380.

The spelling of 2543105419 in words is "two billion, five hundred forty-three million, one hundred five thousand, four hundred nineteen".