6991465924343 has 2 divisors, whose sum is σ = 6991465924344. Its totient is φ = 6991465924342.

The previous prime is 6991465924277. The next prime is 6991465924363. The reversal of 6991465924343 is 3434295641996.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6991465924343 - 2⁴⁰ = 5891954296567 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6991465924343.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6991465924363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3495732962171 + 3495732962172.

It is an arithmetic number, because the mean of its divisors is an integer number (3495732962172).

Almost surely, 2^{6991465924343} is an apocalyptic number.

6991465924343 is a deficient number, since it is larger than the sum of its proper divisors (1).

6991465924343 is an equidigital number, since it uses as much as digits as its factorization.

6991465924343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 151165440, while the sum is 65.

The spelling of 6991465924343 in words is "six trillion, nine hundred ninety-one billion, four hundred sixty-five million, nine hundred twenty-four thousand, three hundred forty-three".