6497218839239 has 2 divisors, whose sum is σ = 6497218839240. Its totient is φ = 6497218839238.

The previous prime is 6497218839227. The next prime is 6497218839269. The reversal of 6497218839239 is 9329388127946.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6497218839239 - 2⁸ = 6497218838983 is a prime.

It is a super-4 number, since 4×6497218839239⁴ (a number of 52 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6497218839269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3248609419619 + 3248609419620.

It is an arithmetic number, because the mean of its divisors is an integer number (3248609419620).

Almost surely, 2^{6497218839239} is an apocalyptic number.

6497218839239 is a deficient number, since it is larger than the sum of its proper divisors (1).

6497218839239 is an equidigital number, since it uses as much as digits as its factorization.

6497218839239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 282175488, while the sum is 71.

The spelling of 6497218839239 in words is "six trillion, four hundred ninety-seven billion, two hundred eighteen million, eight hundred thirty-nine thousand, two hundred thirty-nine".