2170641011267 has 2 divisors, whose sum is σ = 2170641011268. Its totient is φ = 2170641011266.

The previous prime is 2170641011233. The next prime is 2170641011281. The reversal of 2170641011267 is 7621101460712.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2170641011267 - 2²⁰ = 2170639962691 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2170641011267.

It is not a weakly prime, because it can be changed into another prime (2170641011207) 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, 1085320505633 + 1085320505634.

It is an arithmetic number, because the mean of its divisors is an integer number (1085320505634).

Almost surely, 2^{2170641011267} is an apocalyptic number.

2170641011267 is a deficient number, since it is larger than the sum of its proper divisors (1).

2170641011267 is an equidigital number, since it uses as much as digits as its factorization.

2170641011267 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 38.

Adding to 2170641011267 its reverse (7621101460712), we get a palindrome (9791742471979).

The spelling of 2170641011267 in words is "two trillion, one hundred seventy billion, six hundred forty-one million, eleven thousand, two hundred sixty-seven".