6403224013 has 2 divisors, whose sum is σ = 6403224014. Its totient is φ = 6403224012.

The previous prime is 6403224011. The next prime is 6403224031. The reversal of 6403224013 is 3104223046.

Together with next prime (6403224031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5834973769 + 568250244 = 76387^2 + 23838^2 .

It is a cyclic number.

It is not a de Polignac number, because 6403224013 - 2¹ = 6403224011 is a prime.

Together with 6403224011, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6403224011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3201612006 + 3201612007.

It is an arithmetic number, because the mean of its divisors is an integer number (3201612007).

Almost surely, 2^6403224013 is an apocalyptic number.

It is an amenable number.

6403224013 is a deficient number, since it is larger than the sum of its proper divisors (1).

6403224013 is an equidigital number, since it uses as much as digits as its factorization.

6403224013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 6403224013 is about 80020.1475442279. The cubic root of 6403224013 is about 1856.9472424167.

Adding to 6403224013 its reverse (3104223046), we get a palindrome (9507447059).

The spelling of 6403224013 in words is "six billion, four hundred three million, two hundred twenty-four thousand, thirteen".