10666747913 has 2 divisors, whose sum is σ = 10666747914. Its totient is φ = 10666747912.

The previous prime is 10666747909. The next prime is 10666747939. The reversal of 10666747913 is 31974766601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10617859849 + 48888064 = 103043^2 + 6992^2 .

It is a cyclic number.

It is not a de Polignac number, because 10666747913 - 2² = 10666747909 is a prime.

It is a super-2 number, since 2×10666747913² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10666747943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5333373956 + 5333373957.

It is an arithmetic number, because the mean of its divisors is an integer number (5333373957).

Almost surely, 2^10666747913 is an apocalyptic number.

It is an amenable number.

10666747913 is a deficient number, since it is larger than the sum of its proper divisors (1).

10666747913 is an equidigital number, since it uses as much as digits as its factorization.

10666747913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1143072, while the sum is 50.

The spelling of 10666747913 in words is "ten billion, six hundred sixty-six million, seven hundred forty-seven thousand, nine hundred thirteen".