6364240613 has 2 divisors, whose sum is σ = 6364240614. Its totient is φ = 6364240612.

The previous prime is 6364240609. The next prime is 6364240633. The reversal of 6364240613 is 3160424636.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6055641124 + 308599489 = 77818^2 + 17567^2 .

It is a cyclic number.

It is not a de Polignac number, because 6364240613 - 2² = 6364240609 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6364240633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3182120306 + 3182120307.

It is an arithmetic number, because the mean of its divisors is an integer number (3182120307).

Almost surely, 2^6364240613 is an apocalyptic number.

It is an amenable number.

6364240613 is a deficient number, since it is larger than the sum of its proper divisors (1).

6364240613 is an equidigital number, since it uses as much as digits as its factorization.

6364240613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 35.

The square root of 6364240613 is about 79776.1907651650. The cubic root of 6364240613 is about 1853.1711487011.

The spelling of 6364240613 in words is "six billion, three hundred sixty-four million, two hundred forty thousand, six hundred thirteen".