5280661889 has 2 divisors, whose sum is σ = 5280661890. Its totient is φ = 5280661888.

The previous prime is 5280661843. The next prime is 5280661891. The reversal of 5280661889 is 9881660825.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2828431489 + 2452230400 = 53183^2 + 49520^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5280661889 is a prime.

Together with 5280661891, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5280661889.

It is not a weakly prime, because it can be changed into another prime (5280661189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2640330944 + 2640330945.

It is an arithmetic number, because the mean of its divisors is an integer number (2640330945).

Almost surely, 2^5280661889 is an apocalyptic number.

It is an amenable number.

5280661889 is a deficient number, since it is larger than the sum of its proper divisors (1).

5280661889 is an equidigital number, since it uses as much as digits as its factorization.

5280661889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1658880, while the sum is 53.

The square root of 5280661889 is about 72668.1628293987. The cubic root of 5280661889 is about 1741.3902977528.

The spelling of 5280661889 in words is "five billion, two hundred eighty million, six hundred sixty-one thousand, eight hundred eighty-nine".