2448661543 has 2 divisors, whose sum is σ = 2448661544. Its totient is φ = 2448661542.

The previous prime is 2448661493. The next prime is 2448661597. The reversal of 2448661543 is 3451668442.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2448661543 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2448661543.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2448665543) 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, 1224330771 + 1224330772.

It is an arithmetic number, because the mean of its divisors is an integer number (1224330772).

Almost surely, 2^2448661543 is an apocalyptic number.

2448661543 is a deficient number, since it is larger than the sum of its proper divisors (1).

2448661543 is an equidigital number, since it uses as much as digits as its factorization.

2448661543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 552960, while the sum is 43.

The square root of 2448661543 is about 49483.9523785237. The cubic root of 2448661543 is about 1347.8542121698.

The spelling of 2448661543 in words is "two billion, four hundred forty-eight million, six hundred sixty-one thousand, five hundred forty-three".