5280661843 has 2 divisors, whose sum is σ = 5280661844. Its totient is φ = 5280661842.

The previous prime is 5280661807. The next prime is 5280661889. The reversal of 5280661843 is 3481660825.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5280661843 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5280661843.

It is not a weakly prime, because it can be changed into another prime (5280661343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2640330921 + 2640330922.

It is an arithmetic number, because the mean of its divisors is an integer number (2640330922).

Almost surely, 2^5280661843 is an apocalyptic number.

5280661843 is a deficient number, since it is larger than the sum of its proper divisors (1).

5280661843 is an equidigital number, since it uses as much as digits as its factorization.

5280661843 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 276480, while the sum is 43.

The square root of 5280661843 is about 72668.1625128914. The cubic root of 5280661843 is about 1741.3902926964.

The spelling of 5280661843 in words is "five billion, two hundred eighty million, six hundred sixty-one thousand, eight hundred forty-three".