6400053313 has 2 divisors, whose sum is σ = 6400053314. Its totient is φ = 6400053312.

The previous prime is 6400053293. The next prime is 6400053349. The reversal of 6400053313 is 3133500046.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4480561969 + 1919491344 = 66937^2 + 43812^2 .

It is a cyclic number.

It is not a de Polignac number, because 6400053313 - 2¹³ = 6400045121 is a prime.

It is not a weakly prime, because it can be changed into another prime (6400051313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3200026656 + 3200026657.

It is an arithmetic number, because the mean of its divisors is an integer number (3200026657).

Almost surely, 2^6400053313 is an apocalyptic number.

It is an amenable number.

6400053313 is a deficient number, since it is larger than the sum of its proper divisors (1).

6400053313 is an equidigital number, since it uses as much as digits as its factorization.

6400053313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 6400053313 is about 80000.3332055561. Note that the first 3 decimals coincide. The cubic root of 6400053313 is about 1856.6406887855.

Adding to 6400053313 its reverse (3133500046), we get a palindrome (9533553359).

The spelling of 6400053313 in words is "six billion, four hundred million, fifty-three thousand, three hundred thirteen".