50000006489 has 2 divisors, whose sum is σ = 50000006490. Its totient is φ = 50000006488.

The previous prime is 50000006479. The next prime is 50000006513. The reversal of 50000006489 is 98460000005.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46400606464 + 3599400025 = 215408^2 + 59995^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50000006489 is a prime.

It is not a weakly prime, because it can be changed into another prime (50000006449) 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, 25000003244 + 25000003245.

It is an arithmetic number, because the mean of its divisors is an integer number (25000003245).

Almost surely, 2^50000006489 is an apocalyptic number.

It is an amenable number.

50000006489 is a deficient number, since it is larger than the sum of its proper divisors (1).

50000006489 is an equidigital number, since it uses as much as digits as its factorization.

50000006489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 32.

The spelling of 50000006489 in words is "fifty billion, six thousand, four hundred eighty-nine".