6940846739 has 2 divisors, whose sum is σ = 6940846740. Its totient is φ = 6940846738.

The previous prime is 6940846729. The next prime is 6940846793. The reversal of 6940846739 is 9376480496.

Together with next prime (6940846793) 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 6940846739 - 2¹⁶ = 6940781203 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (6940846729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3470423369 + 3470423370.

It is an arithmetic number, because the mean of its divisors is an integer number (3470423370).

Almost surely, 2^6940846739 is an apocalyptic number.

6940846739 is a deficient number, since it is larger than the sum of its proper divisors (1).

6940846739 is an equidigital number, since it uses as much as digits as its factorization.

6940846739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7838208, while the sum is 56.

The square root of 6940846739 is about 83311.7443041496. The cubic root of 6940846739 is about 1907.5275464371.

The spelling of 6940846739 in words is "six billion, nine hundred forty million, eight hundred forty-six thousand, seven hundred thirty-nine".