2820371011 has 2 divisors, whose sum is σ = 2820371012. Its totient is φ = 2820371010.

The previous prime is 2820371003. The next prime is 2820371063. The reversal of 2820371011 is 1101730282.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2820371011 - 2³ = 2820371003 is a prime.

It is not a weakly prime, because it can be changed into another prime (2820371311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1410185505 + 1410185506.

It is an arithmetic number, because the mean of its divisors is an integer number (1410185506).

Almost surely, 2^2820371011 is an apocalyptic number.

2820371011 is a deficient number, since it is larger than the sum of its proper divisors (1).

2820371011 is an equidigital number, since it uses as much as digits as its factorization.

2820371011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 2820371011 is about 53107.1653451773. The cubic root of 2820371011 is about 1412.8695999523.

The spelling of 2820371011 in words is "two billion, eight hundred twenty million, three hundred seventy-one thousand, eleven".