1008910067197 has 2 divisors, whose sum is σ = 1008910067198. Its totient is φ = 1008910067196.

The previous prime is 1008910067149. The next prime is 1008910067273. The reversal of 1008910067197 is 7917600198001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 948946791321 + 59963275876 = 974139^2 + 244874^2 .

It is a cyclic number.

It is not a de Polignac number, because 1008910067197 - 2¹⁹ = 1008909542909 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1008910067197.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1008910067897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 504455033598 + 504455033599.

It is an arithmetic number, because the mean of its divisors is an integer number (504455033599).

Almost surely, 2^{1008910067197} is an apocalyptic number.

It is an amenable number.

1008910067197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1008910067197 is an equidigital number, since it uses as much as digits as its factorization.

1008910067197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 190512, while the sum is 49.

The spelling of 1008910067197 in words is "one trillion, eight billion, nine hundred ten million, sixty-seven thousand, one hundred ninety-seven".