6396000641 has 2 divisors, whose sum is σ = 6396000642. Its totient is φ = 6396000640.

The previous prime is 6396000623. The next prime is 6396000659. The reversal of 6396000641 is 1460006936.

It is a balanced prime because it is at equal distance from previous prime (6396000623) and next prime (6396000659).

It can be written as a sum of positive squares in only one way, i.e., 6396000625 + 16 = 79975^2 + 4^2 .

It is a cyclic number.

It is not a de Polignac number, because 6396000641 - 2⁶ = 6396000577 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (6396005641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3198000320 + 3198000321.

It is an arithmetic number, because the mean of its divisors is an integer number (3198000321).

Almost surely, 2^6396000641 is an apocalyptic number.

It is an amenable number.

6396000641 is a deficient number, since it is larger than the sum of its proper divisors (1).

6396000641 is an equidigital number, since it uses as much as digits as its factorization.

6396000641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 6396000641 is about 79975.0001000313. Note that the first 3 decimals coincide. The cubic root of 6396000641 is about 1856.2487157749.

The spelling of 6396000641 in words is "six billion, three hundred ninety-six million, six hundred forty-one", and thus it is an aban number.