7000660013 has 2 divisors, whose sum is σ = 7000660014. Its totient is φ = 7000660012.

The previous prime is 7000659979. The next prime is 7000660031. The reversal of 7000660013 is 3100660007.

7000660013 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (7000660031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3999044644 + 3001615369 = 63238^2 + 54787^2 .

It is a cyclic number.

It is not a de Polignac number, because 7000660013 - 2⁶ = 7000659949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7000663013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3500330006 + 3500330007.

It is an arithmetic number, because the mean of its divisors is an integer number (3500330007).

Almost surely, 2^7000660013 is an apocalyptic number.

It is an amenable number.

7000660013 is a deficient number, since it is larger than the sum of its proper divisors (1).

7000660013 is an equidigital number, since it uses as much as digits as its factorization.

7000660013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 7000660013 is about 83669.9468925372. The cubic root of 7000660013 is about 1912.9913027614.

The spelling of 7000660013 in words is "seven billion, six hundred sixty thousand, thirteen".