2079820789 has 2 divisors, whose sum is σ = 2079820790. Its totient is φ = 2079820788.

The previous prime is 2079820711. The next prime is 2079820837. The reversal of 2079820789 is 9870289702.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2021221764 + 58599025 = 44958^2 + 7655^2 .

It is a cyclic number.

It is not a de Polignac number, because 2079820789 - 2⁷ = 2079820661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2079821789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1039910394 + 1039910395.

It is an arithmetic number, because the mean of its divisors is an integer number (1039910395).

Almost surely, 2^2079820789 is an apocalyptic number.

It is an amenable number.

2079820789 is a deficient number, since it is larger than the sum of its proper divisors (1).

2079820789 is an equidigital number, since it uses as much as digits as its factorization.

2079820789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1016064, while the sum is 52.

The square root of 2079820789 is about 45605.0522310851. The cubic root of 2079820789 is about 1276.4641979826.

The spelling of 2079820789 in words is "two billion, seventy-nine million, eight hundred twenty thousand, seven hundred eighty-nine".