6786632942669 has 2 divisors, whose sum is σ = 6786632942670. Its totient is φ = 6786632942668.

The previous prime is 6786632942657. The next prime is 6786632942711. The reversal of 6786632942669 is 9662492366876.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5223907934569 + 1562725008100 = 2285587^2 + 1250090^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6786632942669 is a prime.

It is a super-3 number, since 3×6786632942669³ (a number of 39 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 6786632942596 and 6786632942605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6786632942629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3393316471334 + 3393316471335.

It is an arithmetic number, because the mean of its divisors is an integer number (3393316471335).

Almost surely, 2^{6786632942669} is an apocalyptic number.

It is an amenable number.

6786632942669 is a deficient number, since it is larger than the sum of its proper divisors (1).

6786632942669 is an equidigital number, since it uses as much as digits as its factorization.

6786632942669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1693052928, while the sum is 74.

The spelling of 6786632942669 in words is "six trillion, seven hundred eighty-six billion, six hundred thirty-two million, nine hundred forty-two thousand, six hundred sixty-nine".