2043768547 has 2 divisors, whose sum is σ = 2043768548. Its totient is φ = 2043768546.

The previous prime is 2043768521. The next prime is 2043768553. The reversal of 2043768547 is 7458673402.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2043768547 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2043768497 and 2043768506.

It is not a weakly prime, because it can be changed into another prime (2043708547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1021884273 + 1021884274.

It is an arithmetic number, because the mean of its divisors is an integer number (1021884274).

Almost surely, 2^2043768547 is an apocalyptic number.

2043768547 is a deficient number, since it is larger than the sum of its proper divisors (1).

2043768547 is an equidigital number, since it uses as much as digits as its factorization.

2043768547 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1128960, while the sum is 46.

The square root of 2043768547 is about 45208.0584298861. The cubic root of 2043768547 is about 1269.0456274658.

The spelling of 2043768547 in words is "two billion, forty-three million, seven hundred sixty-eight thousand, five hundred forty-seven".