2108771039 has 2 divisors, whose sum is σ = 2108771040. Its totient is φ = 2108771038.

The previous prime is 2108771033. The next prime is 2108771113. The reversal of 2108771039 is 9301778012.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2108771039 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 2108770993 and 2108771011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2108771033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1054385519 + 1054385520.

It is an arithmetic number, because the mean of its divisors is an integer number (1054385520).

Almost surely, 2^2108771039 is an apocalyptic number.

2108771039 is a deficient number, since it is larger than the sum of its proper divisors (1).

2108771039 is an equidigital number, since it uses as much as digits as its factorization.

2108771039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 38.

The square root of 2108771039 is about 45921.3571119147. The cubic root of 2108771039 is about 1282.3595472827.

The spelling of 2108771039 in words is "two billion, one hundred eight million, seven hundred seventy-one thousand, thirty-nine".