6820070429 has 2 divisors, whose sum is σ = 6820070430. Its totient is φ = 6820070428.

The previous prime is 6820070417. The next prime is 6820070431. The reversal of 6820070429 is 9240700286.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5823216100 + 996854329 = 76310^2 + 31573^2 .

It is a cyclic number.

It is not a de Polignac number, because 6820070429 - 2¹² = 6820066333 is a prime.

Together with 6820070431, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 6820070392 and 6820070401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6820070129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3410035214 + 3410035215.

It is an arithmetic number, because the mean of its divisors is an integer number (3410035215).

Almost surely, 2^6820070429 is an apocalyptic number.

It is an amenable number.

6820070429 is a deficient number, since it is larger than the sum of its proper divisors (1).

6820070429 is an equidigital number, since it uses as much as digits as its factorization.

6820070429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 6820070429 is about 82583.7176990719. The cubic root of 6820070429 is about 1896.3985729579.

The spelling of 6820070429 in words is "six billion, eight hundred twenty million, seventy thousand, four hundred twenty-nine".