6839690789441 has 2 divisors, whose sum is σ = 6839690789442. Its totient is φ = 6839690789440.

The previous prime is 6839690789381. The next prime is 6839690789471. The reversal of 6839690789441 is 1449870969386.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5988322881025 + 851367908416 = 2447105^2 + 922696^2 .

It is a cyclic number.

It is not a de Polignac number, because 6839690789441 - 2¹⁰ = 6839690788417 is a prime.

It is not a weakly prime, because it can be changed into another prime (6839690789471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3419845394720 + 3419845394721.

It is an arithmetic number, because the mean of its divisors is an integer number (3419845394721).

Almost surely, 2^{6839690789441} is an apocalyptic number.

It is an amenable number.

6839690789441 is a deficient number, since it is larger than the sum of its proper divisors (1).

6839690789441 is an equidigital number, since it uses as much as digits as its factorization.

6839690789441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 564350976, while the sum is 74.

The spelling of 6839690789441 in words is "six trillion, eight hundred thirty-nine billion, six hundred ninety million, seven hundred eighty-nine thousand, four hundred forty-one".