10706646646721 has 2 divisors, whose sum is σ = 10706646646722. Its totient is φ = 10706646646720.

The previous prime is 10706646646681. The next prime is 10706646646727. The reversal of 10706646646721 is 12764664660701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10609586359696 + 97060287025 = 3257236^2 + 311545^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10706646646721 is a prime.

It is a super-2 number, since 2×10706646646721² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10706646646727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5353323323360 + 5353323323361.

It is an arithmetic number, because the mean of its divisors is an integer number (5353323323361).

Almost surely, 2^{10706646646721} is an apocalyptic number.

It is an amenable number.

10706646646721 is a deficient number, since it is larger than the sum of its proper divisors (1).

10706646646721 is an equidigital number, since it uses as much as digits as its factorization.

10706646646721 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12192768, while the sum is 56.

The spelling of 10706646646721 in words is "ten trillion, seven hundred six billion, six hundred forty-six million, six hundred forty-six thousand, seven hundred twenty-one".