10791966217 has 4 divisors (see below), whose sum is σ = 10800953236. Its totient is φ = 10782979200.

The previous prime is 10791966209. The next prime is 10791966221. The reversal of 10791966217 is 71266919701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 71266919701 = 251 ⋅283931951.

It can be written as a sum of positive squares in 2 ways, for example, as 5259730576 + 5532235641 = 72524^2 + 74379^2 .

It is a cyclic number.

It is not a de Polignac number, because 10791966217 - 2³ = 10791966209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10791966257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4491708 + ... + 4494109.

It is an arithmetic number, because the mean of its divisors is an integer number (2700238309).

Almost surely, 2^10791966217 is an apocalyptic number.

It is an amenable number.

10791966217 is a deficient number, since it is larger than the sum of its proper divisors (8987019).

10791966217 is an equidigital number, since it uses as much as digits as its factorization.

10791966217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8987018.

The product of its (nonzero) digits is 285768, while the sum is 49.

The spelling of 10791966217 in words is "ten billion, seven hundred ninety-one million, nine hundred sixty-six thousand, two hundred seventeen".