9640000213 has 2 divisors, whose sum is σ = 9640000214. Its totient is φ = 9640000212.

The previous prime is 9640000199. The next prime is 9640000243. The reversal of 9640000213 is 3120000469.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5180832484 + 4459167729 = 71978^2 + 66777^2 .

It is a cyclic number.

It is not a de Polignac number, because 9640000213 - 2⁹ = 9639999701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9640000243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4820000106 + 4820000107.

It is an arithmetic number, because the mean of its divisors is an integer number (4820000107).

Almost surely, 2^9640000213 is an apocalyptic number.

It is an amenable number.

9640000213 is a deficient number, since it is larger than the sum of its proper divisors (1).

9640000213 is an equidigital number, since it uses as much as digits as its factorization.

9640000213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 9640000213 is about 98183.5027537722. The cubic root of 9640000213 is about 2128.2648931000.

The spelling of 9640000213 in words is "nine billion, six hundred forty million, two hundred thirteen", and thus it is an aban number.