6338870513 has 2 divisors, whose sum is σ = 6338870514. Its totient is φ = 6338870512.

The previous prime is 6338870501. The next prime is 6338870537. The reversal of 6338870513 is 3150788336.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4322142049 + 2016728464 = 65743^2 + 44908^2 .

It is a cyclic number.

It is not a de Polignac number, because 6338870513 - 2²⁰ = 6337821937 is a prime.

It is not a weakly prime, because it can be changed into another prime (6338870113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3169435256 + 3169435257.

It is an arithmetic number, because the mean of its divisors is an integer number (3169435257).

Almost surely, 2^6338870513 is an apocalyptic number.

It is an amenable number.

6338870513 is a deficient number, since it is larger than the sum of its proper divisors (1).

6338870513 is an equidigital number, since it uses as much as digits as its factorization.

6338870513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 44.

The square root of 6338870513 is about 79617.0240149681. The cubic root of 6338870513 is about 1850.7054055014.

The spelling of 6338870513 in words is "six billion, three hundred thirty-eight million, eight hundred seventy thousand, five hundred thirteen".