6940691316347 has 2 divisors, whose sum is σ = 6940691316348. Its totient is φ = 6940691316346.

The previous prime is 6940691316313. The next prime is 6940691316437. The reversal of 6940691316347 is 7436131960496.

Together with next prime (6940691316437) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6940691316347 - 2⁶ = 6940691316283 is a prime.

It is not a weakly prime, because it can be changed into another prime (6940691316047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3470345658173 + 3470345658174.

It is an arithmetic number, because the mean of its divisors is an integer number (3470345658174).

Almost surely, 2^{6940691316347} is an apocalyptic number.

6940691316347 is a deficient number, since it is larger than the sum of its proper divisors (1).

6940691316347 is an equidigital number, since it uses as much as digits as its factorization.

6940691316347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17635968, while the sum is 59.

The spelling of 6940691316347 in words is "six trillion, nine hundred forty billion, six hundred ninety-one million, three hundred sixteen thousand, three hundred forty-seven".