10197806617 has 2 divisors, whose sum is σ = 10197806618. Its totient is φ = 10197806616.

The previous prime is 10197806611. The next prime is 10197806627. The reversal of 10197806617 is 71660879101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6109610896 + 4088195721 = 78164^2 + 63939^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10197806617 is a prime.

It is not a weakly prime, because it can be changed into another prime (10197806611) 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, 5098903308 + 5098903309.

It is an arithmetic number, because the mean of its divisors is an integer number (5098903309).

Almost surely, 2^10197806617 is an apocalyptic number.

It is an amenable number.

10197806617 is a deficient number, since it is larger than the sum of its proper divisors (1).

10197806617 is an equidigital number, since it uses as much as digits as its factorization.

10197806617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 127008, while the sum is 46.

The spelling of 10197806617 in words is "ten billion, one hundred ninety-seven million, eight hundred six thousand, six hundred seventeen".