4640206513 has 2 divisors, whose sum is σ = 4640206514. Its totient is φ = 4640206512.

The previous prime is 4640206481. The next prime is 4640206541. The reversal of 4640206513 is 3156020464.

4640206513 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4330692864 + 309513649 = 65808^2 + 17593^2 .

It is a cyclic number.

It is not a de Polignac number, because 4640206513 - 2⁵ = 4640206481 is a prime.

It is not a weakly prime, because it can be changed into another prime (4640206913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2320103256 + 2320103257.

It is an arithmetic number, because the mean of its divisors is an integer number (2320103257).

Almost surely, 2^4640206513 is an apocalyptic number.

It is an amenable number.

4640206513 is a deficient number, since it is larger than the sum of its proper divisors (1).

4640206513 is an equidigital number, since it uses as much as digits as its factorization.

4640206513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 4640206513 is about 68119.0613044543. The cubic root of 4640206513 is about 1667.9349273352.

Adding to 4640206513 its reverse (3156020464), we get a palindrome (7796226977).

The spelling of 4640206513 in words is "four billion, six hundred forty million, two hundred six thousand, five hundred thirteen".