6799726643 has 2 divisors, whose sum is σ = 6799726644. Its totient is φ = 6799726642.

The previous prime is 6799726627. The next prime is 6799726649. The reversal of 6799726643 is 3466279976.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6799726643 - 2⁴ = 6799726627 is a prime.

It is not a weakly prime, because it can be changed into another prime (6799726649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3399863321 + 3399863322.

It is an arithmetic number, because the mean of its divisors is an integer number (3399863322).

Almost surely, 2^6799726643 is an apocalyptic number.

6799726643 is a deficient number, since it is larger than the sum of its proper divisors (1).

6799726643 is an equidigital number, since it uses as much as digits as its factorization.

6799726643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20575296, while the sum is 59.

The square root of 6799726643 is about 82460.4550254242. The cubic root of 6799726643 is about 1894.5110875215.

The spelling of 6799726643 in words is "six billion, seven hundred ninety-nine million, seven hundred twenty-six thousand, six hundred forty-three".