6829696561 has 2 divisors, whose sum is σ = 6829696562. Its totient is φ = 6829696560.

The previous prime is 6829696553. The next prime is 6829696589. The reversal of 6829696561 is 1656969286.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5685160000 + 1144536561 = 75400^2 + 33831^2 .

It is a cyclic number.

It is not a de Polignac number, because 6829696561 - 2³ = 6829696553 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6829696496 and 6829696505.

It is not a weakly prime, because it can be changed into another prime (6829696261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3414848280 + 3414848281.

It is an arithmetic number, because the mean of its divisors is an integer number (3414848281).

Almost surely, 2^6829696561 is an apocalyptic number.

It is an amenable number.

6829696561 is a deficient number, since it is larger than the sum of its proper divisors (1).

6829696561 is an equidigital number, since it uses as much as digits as its factorization.

6829696561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8398080, while the sum is 58.

The square root of 6829696561 is about 82641.9782011539. The cubic root of 6829696561 is about 1897.2903722089.

The spelling of 6829696561 in words is "six billion, eight hundred twenty-nine million, six hundred ninety-six thousand, five hundred sixty-one".