4020808080829 has 2 divisors, whose sum is σ = 4020808080830. Its totient is φ = 4020808080828.

The previous prime is 4020808080733. The next prime is 4020808080847. The reversal of 4020808080829 is 9280808080204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3964260192025 + 56547888804 = 1991045^2 + 237798^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4020808080829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4020808080869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010404040414 + 2010404040415.

It is an arithmetic number, because the mean of its divisors is an integer number (2010404040415).

Almost surely, 2^{4020808080829} is an apocalyptic number.

It is an amenable number.

4020808080829 is a deficient number, since it is larger than the sum of its proper divisors (1).

4020808080829 is an equidigital number, since it uses as much as digits as its factorization.

4020808080829 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 589824, while the sum is 49.

The spelling of 4020808080829 in words is "four trillion, twenty billion, eight hundred eight million, eighty thousand, eight hundred twenty-nine".