6843876769 has 2 divisors, whose sum is σ = 6843876770. Its totient is φ = 6843876768.

The previous prime is 6843876751. The next prime is 6843876811. The reversal of 6843876769 is 9676783486.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5827032225 + 1016844544 = 76335^2 + 31888^2 .

It is a cyclic number.

It is not a de Polignac number, because 6843876769 - 2¹⁵ = 6843844001 is a prime.

It is a super-2 number, since 2×6843876769² = 93677298458515758722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6843876769.

It is not a weakly prime, because it can be changed into another prime (6843876709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3421938384 + 3421938385.

It is an arithmetic number, because the mean of its divisors is an integer number (3421938385).

Almost surely, 2^6843876769 is an apocalyptic number.

It is an amenable number.

6843876769 is a deficient number, since it is larger than the sum of its proper divisors (1).

6843876769 is an equidigital number, since it uses as much as digits as its factorization.

6843876769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 73156608, while the sum is 64.

The square root of 6843876769 is about 82727.7267244785. The cubic root of 6843876769 is about 1898.6025522092.

The spelling of 6843876769 in words is "six billion, eight hundred forty-three million, eight hundred seventy-six thousand, seven hundred sixty-nine".