2820558973 has 2 divisors, whose sum is σ = 2820558974. Its totient is φ = 2820558972.

The previous prime is 2820558967. The next prime is 2820558989. The reversal of 2820558973 is 3798550282.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2743873924 + 76685049 = 52382^2 + 8757^2 .

It is a cyclic number.

It is not a de Polignac number, because 2820558973 - 2⁵ = 2820558941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2820558913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1410279486 + 1410279487.

It is an arithmetic number, because the mean of its divisors is an integer number (1410279487).

Almost surely, 2^2820558973 is an apocalyptic number.

It is an amenable number.

2820558973 is a deficient number, since it is larger than the sum of its proper divisors (1).

2820558973 is an equidigital number, since it uses as much as digits as its factorization.

2820558973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1209600, while the sum is 49.

The square root of 2820558973 is about 53108.9349639023. The cubic root of 2820558973 is about 1412.9009858817.

It can be divided in two parts, 28205 and 58973, that added together give a palindrome (87178).

The spelling of 2820558973 in words is "two billion, eight hundred twenty million, five hundred fifty-eight thousand, nine hundred seventy-three".