10218948269197 has 2 divisors, whose sum is σ = 10218948269198. Its totient is φ = 10218948269196.

The previous prime is 10218948269171. The next prime is 10218948269287. The reversal of 10218948269197 is 79196284981201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9297797494441 + 921150774756 = 3049229^2 + 959766^2 .

It is a cyclic number.

It is not a de Polignac number, because 10218948269197 - 2¹¹ = 10218948267149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10218948269597) 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, 5109474134598 + 5109474134599.

It is an arithmetic number, because the mean of its divisors is an integer number (5109474134599).

Almost surely, 2^{10218948269197} is an apocalyptic number.

It is an amenable number.

10218948269197 is a deficient number, since it is larger than the sum of its proper divisors (1).

10218948269197 is an equidigital number, since it uses as much as digits as its factorization.

10218948269197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31352832, while the sum is 67.

The spelling of 10218948269197 in words is "ten trillion, two hundred eighteen billion, nine hundred forty-eight million, two hundred sixty-nine thousand, one hundred ninety-seven".