2108808019 has 2 divisors, whose sum is σ = 2108808020. Its totient is φ = 2108808018.

The previous prime is 2108808011. The next prime is 2108808029. The reversal of 2108808019 is 9108088012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2108808019 - 2³ = 2108808011 is a prime.

It is a super-2 number, since 2×2108808019² = 8894142521997408722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2108808011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1054404009 + 1054404010.

It is an arithmetic number, because the mean of its divisors is an integer number (1054404010).

Almost surely, 2^2108808019 is an apocalyptic number.

2108808019 is a deficient number, since it is larger than the sum of its proper divisors (1).

2108808019 is an equidigital number, since it uses as much as digits as its factorization.

2108808019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 37.

The square root of 2108808019 is about 45921.7597550442. The cubic root of 2108808019 is about 1282.3670431777.

The spelling of 2108808019 in words is "two billion, one hundred eight million, eight hundred eight thousand, nineteen".