10826707981 has 2 divisors, whose sum is σ = 10826707982. Its totient is φ = 10826707980.

The previous prime is 10826707979. The next prime is 10826708099. The reversal of 10826707981 is 18970762801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5551591081 + 5275116900 = 74509^2 + 72630^2 .

It is a cyclic number.

It is not a de Polignac number, because 10826707981 - 2¹ = 10826707979 is a prime.

It is a super-2 number, since 2×10826707981² (a number of 21 digits) contains 22 as substring.

Together with 10826707979, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10826707921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5413353990 + 5413353991.

It is an arithmetic number, because the mean of its divisors is an integer number (5413353991).

Almost surely, 2^10826707981 is an apocalyptic number.

It is an amenable number.

10826707981 is a deficient number, since it is larger than the sum of its proper divisors (1).

10826707981 is an equidigital number, since it uses as much as digits as its factorization.

10826707981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 338688, while the sum is 49.

The spelling of 10826707981 in words is "ten billion, eight hundred twenty-six million, seven hundred seven thousand, nine hundred eighty-one".