10068706691 has 2 divisors, whose sum is σ = 10068706692. Its totient is φ = 10068706690.

The previous prime is 10068706643. The next prime is 10068706693. The reversal of 10068706691 is 19660786001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10068706691 is a prime.

It is a Sophie Germain prime.

Together with 10068706693, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10068706693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5034353345 + 5034353346.

It is an arithmetic number, because the mean of its divisors is an integer number (5034353346).

Almost surely, 2^10068706691 is an apocalyptic number.

10068706691 is a deficient number, since it is larger than the sum of its proper divisors (1).

10068706691 is an equidigital number, since it uses as much as digits as its factorization.

10068706691 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 44.

The spelling of 10068706691 in words is "ten billion, sixty-eight million, seven hundred six thousand, six hundred ninety-one".