10766551709 has 2 divisors, whose sum is σ = 10766551710. Its totient is φ = 10766551708.

The previous prime is 10766551703. The next prime is 10766551727. The reversal of 10766551709 is 90715566701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10454040025 + 312511684 = 102245^2 + 17678^2 .

It is a cyclic number.

It is not a de Polignac number, because 10766551709 - 2²⁸ = 10498116253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10766551703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5383275854 + 5383275855.

It is an arithmetic number, because the mean of its divisors is an integer number (5383275855).

Almost surely, 2^10766551709 is an apocalyptic number.

It is an amenable number.

10766551709 is a deficient number, since it is larger than the sum of its proper divisors (1).

10766551709 is an equidigital number, since it uses as much as digits as its factorization.

10766551709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 396900, while the sum is 47.

The spelling of 10766551709 in words is "ten billion, seven hundred sixty-six million, five hundred fifty-one thousand, seven hundred nine".