6775321337479 has 2 divisors, whose sum is σ = 6775321337480. Its totient is φ = 6775321337478.

The previous prime is 6775321337459. The next prime is 6775321337557. The reversal of 6775321337479 is 9747331235776.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6775321337479 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6775321337479.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6775321337459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3387660668739 + 3387660668740.

It is an arithmetic number, because the mean of its divisors is an integer number (3387660668740).

Almost surely, 2^{6775321337479} is an apocalyptic number.

6775321337479 is a deficient number, since it is larger than the sum of its proper divisors (1).

6775321337479 is an equidigital number, since it uses as much as digits as its factorization.

6775321337479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 140026320, while the sum is 64.

The spelling of 6775321337479 in words is "six trillion, seven hundred seventy-five billion, three hundred twenty-one million, three hundred thirty-seven thousand, four hundred seventy-nine".