6794139659 has 2 divisors, whose sum is σ = 6794139660. Its totient is φ = 6794139658.

The previous prime is 6794139647. The next prime is 6794139683. The reversal of 6794139659 is 9569314976.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6794139659 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6794139598 and 6794139607.

It is not a weakly prime, because it can be changed into another prime (6794139619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3397069829 + 3397069830.

It is an arithmetic number, because the mean of its divisors is an integer number (3397069830).

Almost surely, 2^6794139659 is an apocalyptic number.

6794139659 is a deficient number, since it is larger than the sum of its proper divisors (1).

6794139659 is an equidigital number, since it uses as much as digits as its factorization.

6794139659 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11022480, while the sum is 59.

The square root of 6794139659 is about 82426.5713165360. The cubic root of 6794139659 is about 1893.9920713926.

The spelling of 6794139659 in words is "six billion, seven hundred ninety-four million, one hundred thirty-nine thousand, six hundred fifty-nine".