5020406789 has 2 divisors, whose sum is σ = 5020406790. Its totient is φ = 5020406788.

The previous prime is 5020406779. The next prime is 5020406801. The reversal of 5020406789 is 9876040205.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4097280100 + 923126689 = 64010^2 + 30383^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5020406789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5020406749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2510203394 + 2510203395.

It is an arithmetic number, because the mean of its divisors is an integer number (2510203395).

Almost surely, 2^5020406789 is an apocalyptic number.

It is an amenable number.

5020406789 is a deficient number, since it is larger than the sum of its proper divisors (1).

5020406789 is an equidigital number, since it uses as much as digits as its factorization.

5020406789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 5020406789 is about 70854.8289744602. The cubic root of 5020406789 is about 1712.2991301790.

The spelling of 5020406789 in words is "five billion, twenty million, four hundred six thousand, seven hundred eighty-nine".