6746712391 has 2 divisors, whose sum is σ = 6746712392. Its totient is φ = 6746712390.

The previous prime is 6746712389. The next prime is 6746712403. The reversal of 6746712391 is 1932176476.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6746712391 - 2¹ = 6746712389 is a prime.

Together with 6746712389, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6746710391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3373356195 + 3373356196.

It is an arithmetic number, because the mean of its divisors is an integer number (3373356196).

Almost surely, 2^6746712391 is an apocalyptic number.

6746712391 is a deficient number, since it is larger than the sum of its proper divisors (1).

6746712391 is an equidigital number, since it uses as much as digits as its factorization.

6746712391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 381024, while the sum is 46.

The square root of 6746712391 is about 82138.3734377544. The cubic root of 6746712391 is about 1889.5747007354.

The spelling of 6746712391 in words is "six billion, seven hundred forty-six million, seven hundred twelve thousand, three hundred ninety-one".