10066690849 has 2 divisors, whose sum is σ = 10066690850. Its totient is φ = 10066690848.

The previous prime is 10066690841. The next prime is 10066690873. The reversal of 10066690849 is 94809666001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10066510224 + 180625 = 100332^2 + 425^2 .

It is a cyclic number.

It is not a de Polignac number, because 10066690849 - 2³ = 10066690841 is a prime.

It is not a weakly prime, because it can be changed into another prime (10066690841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5033345424 + 5033345425.

It is an arithmetic number, because the mean of its divisors is an integer number (5033345425).

Almost surely, 2^10066690849 is an apocalyptic number.

It is an amenable number.

10066690849 is a deficient number, since it is larger than the sum of its proper divisors (1).

10066690849 is an equidigital number, since it uses as much as digits as its factorization.

10066690849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 559872, while the sum is 49.

The spelling of 10066690849 in words is "ten billion, sixty-six million, six hundred ninety thousand, eight hundred forty-nine".