2820549803 has 2 divisors, whose sum is σ = 2820549804. Its totient is φ = 2820549802.

The previous prime is 2820549799. The next prime is 2820549817. The reversal of 2820549803 is 3089450282.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2820549803 - 2² = 2820549799 is a prime.

It is not a weakly prime, because it can be changed into another prime (2820549503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1410274901 + 1410274902.

It is an arithmetic number, because the mean of its divisors is an integer number (1410274902).

Almost surely, 2^2820549803 is an apocalyptic number.

2820549803 is a deficient number, since it is larger than the sum of its proper divisors (1).

2820549803 is an equidigital number, since it uses as much as digits as its factorization.

2820549803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 2820549803 is about 53108.8486318429. The cubic root of 2820549803 is about 1412.8994547058.

The spelling of 2820549803 in words is "two billion, eight hundred twenty million, five hundred forty-nine thousand, eight hundred three".