6809019507379 has 2 divisors, whose sum is σ = 6809019507380. Its totient is φ = 6809019507378.

The previous prime is 6809019507377. The next prime is 6809019507431. The reversal of 6809019507379 is 9737059109086.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6809019507379 - 2¹ = 6809019507377 is a prime.

Together with 6809019507377, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 6809019507379.

It is not a weakly prime, because it can be changed into another prime (6809019507377) 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, 3404509753689 + 3404509753690.

It is an arithmetic number, because the mean of its divisors is an integer number (3404509753690).

Almost surely, 2^{6809019507379} is an apocalyptic number.

6809019507379 is a deficient number, since it is larger than the sum of its proper divisors (1).

6809019507379 is an equidigital number, since it uses as much as digits as its factorization.

6809019507379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25719120, while the sum is 64.

The spelling of 6809019507379 in words is "six trillion, eight hundred nine billion, nineteen million, five hundred seven thousand, three hundred seventy-nine".