7061603250209 has 2 divisors, whose sum is σ = 7061603250210. Its totient is φ = 7061603250208.

The previous prime is 7061603250203. The next prime is 7061603250269. The reversal of 7061603250209 is 9020523061607.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4938617290000 + 2122985960209 = 2222300^2 + 1457047^2 .

It is an emirp because it is prime and its reverse (9020523061607) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7061603250209 is a prime.

It is not a weakly prime, because it can be changed into another prime (7061603250203) 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, 3530801625104 + 3530801625105.

It is an arithmetic number, because the mean of its divisors is an integer number (3530801625105).

Almost surely, 2^{7061603250209} is an apocalyptic number.

It is an amenable number.

7061603250209 is a deficient number, since it is larger than the sum of its proper divisors (1).

7061603250209 is an equidigital number, since it uses as much as digits as its factorization.

7061603250209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 41.

The spelling of 7061603250209 in words is "seven trillion, sixty-one billion, six hundred three million, two hundred fifty thousand, two hundred nine".