6778872544219 has 2 divisors, whose sum is σ = 6778872544220. Its totient is φ = 6778872544218.

The previous prime is 6778872544193. The next prime is 6778872544259. The reversal of 6778872544219 is 9124452788776.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6778872544219 - 2¹³ = 6778872536027 is a prime.

It is a super-2 number, since 2×6778872544219² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6778872544259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3389436272109 + 3389436272110.

It is an arithmetic number, because the mean of its divisors is an integer number (3389436272110).

Almost surely, 2^{6778872544219} is an apocalyptic number.

6778872544219 is a deficient number, since it is larger than the sum of its proper divisors (1).

6778872544219 is an equidigital number, since it uses as much as digits as its factorization.

6778872544219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 379330560, while the sum is 70.

The spelling of 6778872544219 in words is "six trillion, seven hundred seventy-eight billion, eight hundred seventy-two million, five hundred forty-four thousand, two hundred nineteen".