2820675289 has 2 divisors, whose sum is σ = 2820675290. Its totient is φ = 2820675288.

The previous prime is 2820675287. The next prime is 2820675301. The reversal of 2820675289 is 9825760282.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2524560025 + 296115264 = 50245^2 + 17208^2 .

It is a cyclic number.

It is not a de Polignac number, because 2820675289 - 2¹ = 2820675287 is a prime.

Together with 2820675287, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2820675281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1410337644 + 1410337645.

It is an arithmetic number, because the mean of its divisors is an integer number (1410337645).

Almost surely, 2^2820675289 is an apocalyptic number.

It is an amenable number.

2820675289 is a deficient number, since it is larger than the sum of its proper divisors (1).

2820675289 is an equidigital number, since it uses as much as digits as its factorization.

2820675289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 967680, while the sum is 49.

The square root of 2820675289 is about 53110.0300225861. The cubic root of 2820675289 is about 1412.9204076504.

The spelling of 2820675289 in words is "two billion, eight hundred twenty million, six hundred seventy-five thousand, two hundred eighty-nine".