6420882534317 has 2 divisors, whose sum is σ = 6420882534318. Its totient is φ = 6420882534316.

The previous prime is 6420882534307. The next prime is 6420882534337. The reversal of 6420882534317 is 7134352880246.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6420882330916 + 203401 = 2533946^2 + 451^2 .

It is a cyclic number.

It is not a de Polignac number, because 6420882534317 - 2⁴ = 6420882534301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6420882534307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3210441267158 + 3210441267159.

It is an arithmetic number, because the mean of its divisors is an integer number (3210441267159).

Almost surely, 2^{6420882534317} is an apocalyptic number.

It is an amenable number.

6420882534317 is a deficient number, since it is larger than the sum of its proper divisors (1).

6420882534317 is an equidigital number, since it uses as much as digits as its factorization.

6420882534317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7741440, while the sum is 53.

The spelling of 6420882534317 in words is "six trillion, four hundred twenty billion, eight hundred eighty-two million, five hundred thirty-four thousand, three hundred seventeen".