4338220613 has 2 divisors, whose sum is σ = 4338220614. Its totient is φ = 4338220612.

The previous prime is 4338220609. The next prime is 4338220637. The reversal of 4338220613 is 3160228334.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4167735364 + 170485249 = 64558^2 + 13057^2 .

It is a cyclic number.

It is not a de Polignac number, because 4338220613 - 2² = 4338220609 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4338220613.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4338220603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2169110306 + 2169110307.

It is an arithmetic number, because the mean of its divisors is an integer number (2169110307).

Almost surely, 2^4338220613 is an apocalyptic number.

It is an amenable number.

4338220613 is a deficient number, since it is larger than the sum of its proper divisors (1).

4338220613 is an equidigital number, since it uses as much as digits as its factorization.

4338220613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 4338220613 is about 65865.1699534739. The cubic root of 4338220613 is about 1630.9370968699.

Adding to 4338220613 its reverse (3160228334), we get a palindrome (7498448947).

The spelling of 4338220613 in words is "four billion, three hundred thirty-eight million, two hundred twenty thousand, six hundred thirteen".