2816669813 has 2 divisors, whose sum is σ = 2816669814. Its totient is φ = 2816669812.

The previous prime is 2816669771. The next prime is 2816669873. The reversal of 2816669813 is 3189666182.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2116644049 + 700025764 = 46007^2 + 26458^2 .

It is a cyclic number.

It is not a de Polignac number, because 2816669813 - 2¹² = 2816665717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2816669873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1408334906 + 1408334907.

It is an arithmetic number, because the mean of its divisors is an integer number (1408334907).

Almost surely, 2^2816669813 is an apocalyptic number.

It is an amenable number.

2816669813 is a deficient number, since it is larger than the sum of its proper divisors (1).

2816669813 is an equidigital number, since it uses as much as digits as its factorization.

2816669813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 746496, while the sum is 50.

The square root of 2816669813 is about 53072.3074022602. The cubic root of 2816669813 is about 1412.2512889480.

It can be divided in two parts, 28166 and 69813, that added together give a palindrome (97979).

The spelling of 2816669813 in words is "two billion, eight hundred sixteen million, six hundred sixty-nine thousand, eight hundred thirteen".