2106830057 has 2 divisors, whose sum is σ = 2106830058. Its totient is φ = 2106830056.

The previous prime is 2106829993. The next prime is 2106830071. The reversal of 2106830057 is 7500386012.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1213059241 + 893770816 = 34829^2 + 29896^2 .

It is a cyclic number.

It is not a de Polignac number, because 2106830057 - 2⁶ = 2106829993 is a prime.

It is not a weakly prime, because it can be changed into another prime (2106835057) 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, 1053415028 + 1053415029.

It is an arithmetic number, because the mean of its divisors is an integer number (1053415029).

Almost surely, 2^2106830057 is an apocalyptic number.

It is an amenable number.

2106830057 is a deficient number, since it is larger than the sum of its proper divisors (1).

2106830057 is an equidigital number, since it uses as much as digits as its factorization.

2106830057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 2106830057 is about 45900.2184853188. The cubic root of 2106830057 is about 1281.9659845856.

The spelling of 2106830057 in words is "two billion, one hundred six million, eight hundred thirty thousand, fifty-seven".