7805341329991 has 2 divisors, whose sum is σ = 7805341329992. Its totient is φ = 7805341329990.

The previous prime is 7805341329769. The next prime is 7805341330013. The reversal of 7805341329991 is 1999231435087.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7805341329991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7805341129991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3902670664995 + 3902670664996.

It is an arithmetic number, because the mean of its divisors is an integer number (3902670664996).

Almost surely, 2^{7805341329991} is an apocalyptic number.

7805341329991 is a deficient number, since it is larger than the sum of its proper divisors (1).

7805341329991 is an equidigital number, since it uses as much as digits as its factorization.

7805341329991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14696640, while the sum is 61.

The spelling of 7805341329991 in words is "seven trillion, eight hundred five billion, three hundred forty-one million, three hundred twenty-nine thousand, nine hundred ninety-one".